trestle tree

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English - English
A structure attached to a mast to support the top and the heel of a topmast

Related Terms

trestletree
One of two strong bars of timber, fixed horizontally on the opposite sides of the masthead, to support the crosstrees and the frame of the top; generally used in the plural
trestletree
{i} (Nautical) horizontal beam set in the masthead to support the crosspiece of a mast