See margin in Webster's New World Roget's A-Z Thesaurus II
noun
A fairly narrow line or space forming a boundary:
border, borderline, brim, brink, edge, edging, fringe, periphery, rim, verge. (Chiefly Military) perimeter. See edgeSuitable opportunity to accept or allow something:
elbowroom, latitude, leeway, play, room, scope. See place, restraint
verb
To put or form a border on:
border, bound2, edge, fringe, rim, skirt, verge. See edge
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