Merriam-Webster's Collegiate® Dictionary, 11th Edition
BORDER
I. noun
Etymology: Middle English bordure, from Anglo-French, from border to border, from Old French bort border, of Germanic origin; probably akin to Old English bord board
Date: 14th century
an outer part or edge, an ornamental design at the edge of a fabric or rug, a narrow bed of planted ground along the edge of a garden or walk , boundary , a plain or decorative margin around printed matter, bordered adjective
II. verb (bordered; bordering)
Date: 14th century
transitive verb to put a border on, to touch at the edge or boundary ; bound , intransitive verb to lie on the border , to approach the nature of a specified thing ; verge , borderer noun