outhaul

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out·haul

O0160100 (out′hôl′)n. Nautical A rope used to extend a sail along a boom.

outhaul

(ˈaʊtˌhɔːl) n (Nautical Terms) nautical a line or cable for tightening the foot of a sail by hauling the clew out along the boom or yard. Also: outhauler