loof noun5 •The spongy fibers of the fruit of a cucurbitaceous plant (Luffa aegyptiaca). •(dialect, Scotland) The palm of the hand. •(dialect, Scotland) The hand, especially, the hand outspread and upturned. •The after part of the bow of a ship where the sides begin to curve. •(no longer used) A contrivance (apparently a paddle or an oar) used for altering the course of a ship. formsloofs