The AI-powered English dictionary
plural crosstrees
(nautical) A light timber or metal spreader fixed athwartships part way up a mast to spread the shrouds from higher up quotations examples
Your most usual point of perch is the head of the t’ gallant-mast, where you stand upon two thin parallel sticks (almost peculiar to whalemen) called the t’ gallant crosstrees.
1851 November 14, Herman Melville, “chapter 35”, in Moby-Dick; or, The Whale, 1st American edition, New York, N.Y.: Harper & Brothers; London: Richard Bentley