roundel, an English version of the rondeau, devised by A. C. Swinburne for his collection A Century of Roundels (1883). It is a poem of eleven lines using only two rhymes in its three stanzas of 4, 3, and 4 lines. Lines 4 and 11 are formed by the repetition of the poem's opening word or phrase as a refrain, which may be rhymed with lines 2, 5, 7, and 9. The rhyme scheme (with the refrain represented as R) is thus abaR bab abaR, or, with a rhyming refrain, abaB bab abaB. The term was at one time a synonym for a rondeau or rondel.
1. A small circular panel or window; an oculus.
2. In glazing, a bull’s-eye or circular light like the bottom of a bottle.
3. A small bead molding or astragal.
4. In stage lighting, a glass or gelatin color filter used in a borderlight.
Circular panel containing a design, for example on a mosaic.
A variation of the rondeau devised by A. C. Swinburne, demonstrated in his poem, "The Roundel." He shortened the stanzas and moved the first refrain from the second to the first stanza, thus revising the rhyme scheme to abaR bab abaR.

A roundel in heraldry is a disc; the term is also commonly used to refer to a type of national insignia used on military aircraft, generally circular in shape and usually comprising concentric rings of different colours.
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In heraldry, a roundel is a circular charge. Roundels are among the oldest charges used in coats of arms, dating from at least the twelfth century. Roundels in British heraldry have different names depending on their tincture.[1] Thus, while a roundel may be blazoned by its tincture, e.g., a roundel vert (literally "a roundel green"), it is more often described by a single word, in this case pomme (literally "apple", from the French) or, from the same origins, pomeis—as in "Vert; on a cross Or five pomeis" (Scottish Public Register vol. 32, p. 26).
| metals | colours | neutral | |||||
|---|---|---|---|---|---|---|---|
| bezant coin |
plate silver |
hurt berry |
torteau cake |
pellet gunshot |
pomme apple |
golpe wound |
fountain fountain |
In French blazon, a roundel of either metal (or or argent) is a besant, and a roundel of any colour (dark tincture) is a torteau, with the tincture specified.
One special example of a named roundel is the fountain, depicted as a roundel barry wavy argent and azure, that is, containing alternating horizontal wavy bands of blue and silver (or white). Because the fountain consists equally of parts in a light and a dark tincture, its use is not limited by the rule of tincture as are the other roundels.
Another special roundel, largely confined to Scots heraldry, is the gurges filled with a double spiral of contrasting tinctures. A gurges argent and azure can be seen in the arms of James Watt College.
In their earliest uses, roundels were often strewn (semy) upon the field of a coat of arms, a design with as many names as there are tinctures. For example, a field semy of roundels argent could be called platy; a field semy of roundels sable could be called pellety. The precise number and placement of the roundels in such cases were usually left to the discretion of the artist.
Because of their long use and simple outline, roundels are accorded status as a subordinary charge by most heraldic writers.
The term roundel also describes a circular shield used for heraldic display (as opposed to other forms such as the more common escutcheon or lozenge). An example of arms borne on a roundel is the Coat of Arms of Nunavut.
The French Air Service originated the use of roundels on military aircraft during the First World War.[2] The chosen design was the French national cockade, whose colors are the blue-white-red of the Flag of France. Similar national cockades, with different ordering of colours, were designed and adopted as aircraft roundels by their allies, including the British Royal Flying Corps and the United States Army Air Service. After the First World War, many other air forces adopted roundel insignia, distinguished by different colours or numbers of concentric rings.
Military aircraft insignia, such as that of the Philippine Air Force and the Polish szachownica, are often are called roundels even when they are not round.[citation needed]
Some corporations and other organizations also make use of roundels in their branding; employing them as a trademark, or logo.
Corporate logos incorporating roundels include London Underground, Target, Volkswagen, and the Winnipeg Jets NHL team.
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Dansk (Danish)
n. - rondel, lille, rund skive
Nederlands (Dutch)
rond bord, medaillon
Français (French)
n. - (Aviat) cocarde, (Littérat) rondeau, (Mus) ronde
Deutsch (German)
n. - kleine runde Scheibe, Flugzeugkennzeichnung der RAF
Ελληνική (Greek)
n. - οτιδήποτε στρογγυλό, στρογγυλάδι, είδος λυρικού ποιήματος
Italiano (Italian)
medaglione, stemma
Português (Portuguese)
n. - medalhão (m)
Русский (Russian)
сигнальное стекло, рондо, хоровод
Español (Spanish)
n. - ventana circular, letrilla, rondel
Svenska (Swedish)
n. - medaljong, ringdans
中文(简体)(Chinese (Simplified))
圆形物, 小圆窗, 小圆盘, 圆盾
中文(繁體)(Chinese (Traditional))
n. - 圓形物, 小圓窗, 小圓盤, 圓盾
한국어 (Korean)
n. - 작은 원형물, 둥근 문장, 원형 표지
日本語 (Japanese)
n. - 小円形物, 小円盤, 小円形紋章, ロンデル体の詩, ラウンデル, 輪舞
العربيه (Arabic)
(الاسم) شيئ مدور أو دائري
עברית (Hebrew)
n. - עיגול, דיסקית-עיטור, שיר בשלושה בתים, בעל 11 שורות, סימן-זיהוי עגול על מטוס צבאי
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