| 释义 |
jib boom
jib boomn. Nautical 1. A spar forming a continuation of the bowsprit.2. A boom that swivels usually from a pivot at the bow of a boat to hold the foot or clew of a jib.jib boom or jibboomn (Nautical Terms) nautical a spar forming an extension of the bowspritjib′ boom` or jib′boom`,
n. a spar forming a continuation of a bowsprit. Translationsjib boom
jib boom[′jib ‚büm] (mechanical engineering) An extension that is hinged to the upper end of a crane boom. (naval architecture) A spar used as an extension of the bowsprit on sailing ships. jib boomA piece which extends the upper end of a boom, 2. |