THESAURUS
brink
bank, board, border, bordure, brim, brow, coast, edge, featheredge, flange, frame, fringe, hem, labellum, labium, labrum, ledge, limb, limbus, lip, list, marge, margin, perimeter, periphery, point, ragged edge, rim, selvage, shore, side, sideline, skirt, threshold, verge
ROGET THESAURUS
brink
Edge
N
edge, verge,
brink, brow, brim, margin, border, confine, skirt, rim, flange, side, mouth, jaws, chops, chaps, fauces, lip, muzzle, threshold, door, porch, portal, coast, shore, frame, fringe, flounce, frill, list, trimming, edging, skirting, hem, selvedge, welt, furbelow, valance, gimp, border, marginal, skirting, labial, labiated, marginated.