释义 |
three-square I. \ˈ ̷ ̷| ̷ ̷\ adjective Etymology: Middle English thre sqware having three equal sides, from three, thre three + sqware, square square : having an equilateral triangular cross section — used especially of a file II. \ˈ ̷ ̷ˌ ̷ ̷\ noun 1. also three-square rush [so called from the triangular stems] : any of various rushes of the genus Scirpus; especially : chairmaker's rush 2. : a three-square file |