Gore

A Concise Dictionary of Middle English from A.D. 1150 to 1580 · 1889 · p. 10

sb. a triangular piece of cloth inserted, HD; gremiale , apron, Manip.; goore , Prompt.; gair , JD. Phr. : under gore , under clothing, S2, HD.—Cp. AS. gára , an angular point of land.