/ ˈʃevrən; NAmE / noun
1.
a line or pattern in the shape of a V
2.
a piece of cloth in the shape of a V which soldiers and police officers wear on their uniforms to show their rank
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WORD ORIGIN
late Middle English (in heraldic use): from Old French , based on Latin caper goat; compare with Latin capreoli (diminutive of caper ) used to mean pair of rafters.