Meaning

noun a line that indicates a boundary

noun the boundary line or the area immediately inside the boundary

noun the boundary of a surface

originEtymology tree Old French bordeurebor. Middle English bordure English border Inherited from Middle English bordure, from Old French bordeure, of Germanic origin, from Frankish *bord, equivalent to modern French bord (“a border”) + -er. Akin to Middle High German borte (“border, trim”), German Borte (“ribbon, trimming”). Doublet of bordure. More at board. Further cognate to English board, Old…

Etymology from Wiktionary, CC BY-SA 3.0