LUFF definition and meaning | Collins English Dictionary He had been steering by the feel of the wind on his face and the luff of the trysail Her head was tilted up, checking the luff of the mainsail, and she didn't notice him They are attached to spars and rigging in various ways, such as metal clips, rope hoops, or in a luff-groove
luff - Wiktionary, the free dictionary luff (plural luffs) (nautical) The vertical edge of a sail that is closest to the direction of the wind quotations