Merriam-Webster's Collegiate® Dictionary, 11th Edition
BROW
I. noun
Etymology: Middle English, from Old English brū; akin to Old Norse brūn eyebrow, Greek ophrys, Sanskrit bhrū Date: before 12th century
1. eyebrow , forehead , the projecting upper part or margin of a steep place, expression , mien ,
II. noun
Etymology: perhaps from Danish or Swedish bro bridge; akin to Old English brycg bridge
Date: 1867
gangplank