chevron
Concise Oxford English Dictionary © 2008 Oxford University Press:
chevron/ˈʃevrən/
▶noun a V-shaped line or stripe, especially one on the sleeve of a uniform indicating rank or length of service.
■ Heraldry an ordinary in the form of a broad inverted V-shape.
– origin ME: from OFr., based on L. caper ‘goat’; cf. L. capreoli (dimin. of caper) used to mean ‘pair of rafters’.
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