- brail Sailing
- brail Sailingnoun (brails) small ropes that are led from the leech of a fore-and-aft sail to pulleys on the mast for temporarily furling it.verb (brail something up) furl a sail by hauling on the brails.OriginME: from OFr. braiel, from med. L. bracale 'girdle', from braca 'breeches'.
English new terms dictionary. 2014.