gyron

American  

[jahy-ruhn, -ron] / ˈdʒaɪ rən, -rɒn /

noun

Heraldry.

1. a subordinary having the form of a triangle, usually equal to half a quarter of the escutcheon, with its apex at the fess point.

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gyron British  

/ ˈdʒaɪrɒn /

noun

1. a variant spelling of giron

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Etymology

Origin of gyron

1565–75; < Middle French, Old French giron gusset < Old High German gēro; cognate with gore ³

Example Sentences

The gyron may be drawn in any part of the shield, but it is generally placed as in the annexed example.

From The Manual of Heraldry; Fifth Edition Being a Concise Description of the Several Terms Used, and Containing a Dictionary of Every Designation in the Science by Anonymous

If one of these triangles occur singly it is termed a gyron.

From The Curiosities of Heraldry by Lower, Mark Antony