- OBLIQUE DISPLAY DESIGN (or FLAG)
- See ‘flag for slanted display’.
Flag of the Army For Slanted Display, Bolivia (fotw & CS)
- The face, or more important side, of a flag; and in the Western tradition
always depicted with the hoist to the observer’s left - the dexter in heraldry – see
‘dexter hoist’ (also
‘mirror image’, and
Obverses: National Flag of Portugal (fotw);
National Flag of The Maldives (fotw);
National Flag of St Kitts and Nevis (fotw);
National Flag of Guinea (fotw)
Please note however, that in Arabic tradition the
flag is generally depicted with the hoist to the observer’s right – the sinister
in heraldry (see also ‘sinister’;
National Flag of Saudi Arabia (fotw)
- OCCASIONAL FLAG
- See ‘commemorative flag’.
Centennial Flag 1905-2005 Alberta, Canada (fotw)
- OCCITAN CROSS
- A variation of the cross clechee which has a voided twelve-pointed gold cross, with a gold roundel placed at each of those points - a Cross of Toulouse (see also
‘cross 2)’, ‘cross clechee’,
‘cross of Pisa’, ‘roundel 2)’ and ‘voided’).
Flag and Arms of Languedoc, France (fotw &
Flag of Val d'Arán, Spain (fotw)
- See ‘firesteel’.
Flag of Zvezdara, Serbia (fotw)
- A term used to describe the vertical or horizontal arm of a cross that is
not set on a flag’s vertical or horizontal meridian – see ‘off-centred cross 2)’ below
and ‘off-set towards’).
National Flag of Sweden (fotw)
- OFF-CENTRED CROSS
- 1) Generically see ‘Scandinavian Cross’.
- 2) Specifically, a cross of the Scandinavian-type that is used on a flag
which is not from, or has no connection with, that region – a horizontal Latin or Scandinavian-type cross.
- 3) A cross whose vertical
arm may or may not be centred but whose
horizontal arm is closer to the top or bottom of the flag – but see note below.
Flag of Hong Kong Christians (fotw);
Volyinia, Ukraine (fotw); Flag of
Thunstetten, Switzerland (fotw);
Flag of Vídeň, Czechia (fotw)
Please note with regard to 3) that in heraldic terms an off-centred cross
whose vertical arm is centred but whose horizontal arm is closer to the top of
a flag may be blazoned a Latin cross throughout, or if closer to the bottom of the flag a Latin cross throughout reversed – see
‘Latin Cross’ (also ‘reversed 2)’
- OFF-SET (or OFFSET) TOWARDS
- The term used to describe a charge (or charges) or a stripe (or stripes) that is (or are) set
towards the hoist, fly, top or base of a flag, rather than lying on its vertical or horizontal meridian
– shifted towards (see also ‘centred’,
(see also ‘charge’,
‘meridian’, ‘off-centred’ and
Civil Ensign of Israel (fotw); National Flag of the
Cape Verde Islands (fotw); National Flag of
Liechtenstein (fotw); National Flag of
Please note that this term should always be accompanied by a further description,
for example, off-set towards the hoist.
- OFFICER’S BROAD PENNANT (or PENDANT)
- See broad pennant 3) and ‘officer's pennants’.
Yacht Club Commodore’s Broad Pennant, Finland (fotw)
- OFFICER’S FLAGS
- In US usage and in some others, those flags that are flown by the past and present
officers of a club, especially of a yacht or boating club – yacht officers flags
(but see ‘broad pennant 3)’ and ‘officer's pennants’).
Typical examples from left:
Yacht Commodore, US (fotw);
Yacht Vice Commodore,
US (fotw); Yacht Rear Commodore, US (fotw);
Yacht Past Commodore, US (fotw)
- OFFICER’S PENNANTS (or PENDANTS)
- The term that may be used to describe those pennants (often - but not exclusively - a
swallow-tailed version of the relevant club burgee or flag) flown by the past or present
officers of a club, especially of a yacht or boating club – a flag officer, yacht officer
or officer’s broad pennant or a yacht officer’s pennant – but see
‘officer's flags’ and
‘broad pennant 3)’ (also
Yacht Commodore and Vice-Commodore,
National Yacht Club, Ireland (fotw); Yacht Commodore and Vice-commodore, Nieuwpoort YC, Belgium (fotw)
- OFFICIAL FLAG
- 1) A flag that has been formally adopted by the relevant authority, and/or is considered by them to
represent a particular entity, institution or cause, as opposed to a design or type which is not so authorized
- see ‘unofficial flag’ (also ‘de jure’, ‘flag law’,
‘institutional flags (official)’, and
- 2) A term that may be employed to describe a sub-national flag which is specifically for official rather
then general civil use, and usually distinguished by the addition of arms (see also ‘banner 4)‘,
‘ceremonial flag 1)’,
‘state service flag’ and
‘sub-national flag’ with following notes).
Official and Unofficial Flag of the Hapoel Tel-Aviv Football Club, Israel (fotw);
Official Flag and Civic Flag of Słubice , Poland (fotw)
- The term for a form of flag (now obsolete), or of a gonfanon, where the
fly is rounded and comes to a point – boat-tailed or shield-shaped – but see
Flag of Persia
c1350? (fotw); Flag of Granada, Spain c1350 (fotw)
Please note that the differences between “ogival” and “lanceolate” are
often very slight, and we suggest that both entries be consulted.
- OLD GLORY
- 1) Generally a poetic nickname for the US national flag – the Stars and Stripes (see
also ‘Betsy Ross flag’,
‘great star flags’,
‘star-spangled banner’ and
‘stars and stripes’).
- 2) Specifically referring to a US national flag bearing 34 stars and a small white anchor,
reputedly belonging to a Captain William Driver.
National Flag of the United States (fotw); Captain Driver’s Flag (fotw)
- ONE-AND-A-HALF ARMED CROSS
- The term used in Eastern European heraldry – and a direct translation of the Polish Póltora krzyz – that
describes a Latin cross which has a second horizontal arm projecting on one side only - usually the sinister
(see also ‘cross 2)’,
‘cross of Lorraine’,
‘Latin cross’ and
‘two-and-a-half armed cross’).
Arms and Flag of Siemiatycze. Poland (fotw);
Arms and Flag of Kobylin-Borzymy, Poland (fotw)
- See ‘name pennant’.
Onomast/Name Pennant of the Schooner Walter Holly, New Brunswick c1890 (fotw)
- In some (particularly South European) heraldic usage, a term used when the field can see seen through the door and/or windows of a fortified
or similar building – but see ‘ajouré’ (also ‘field 2)’.
Arms and Flag of Alcácer do Sal, Portugal (fotw);
Arms and Flag of Almeida, Portugal (fotw)
- OPEN CROWN
- See ‘coronet’.
Arms and Flag of Real (Castelo de Paiva), Portugal (fotw)
- OPEN LOZENGE
- In heraldry see ‘voided lozenge’.
Arms and Flag of
Daillens, Switzerland (Wikipedia & fotw)
- OPEN SLEEVE
- A technical term for the normal sleeve of a flag that is open at both ends to receive a staff or
hoistline - see ‘sleeve 2)’ (also
- OPTICAL PROPORTIONS
- 1) A term used when the relative dimensions of a series of stripes progressively
widen between the hoist and the fly in order to appear even when the flag is flying
– graduated stripes – an example would be the national ensign of France
2) A term also used when a charge is set slightly towards the hoist so that it appears to be centred under the same circumstances
– as in the federal service flag of Germany.
National Ensign of France (fotw); Federal Service Flag of