Synonyms and related words :
air hole, armhole, blowhole, boltrope, bullet-hole, bunghole, canvas, clew, cloth, crowd of sail, deadeye, earing, eye, eyelet, foot, fore-and-aft sail, gasket, grommet, guide, head, keyhole, knothole, leech, loop, loophole, luff, manhole, mousehole, muslin, peephole, pigeonhole, pinhole, placket, placket hole, plain sail, porthole, press of sail, punch-hole, rag, reduced sail, reef point, reefed sail, sail, spiracle, square sail, tap, vent, venthole,