D defs.my
Entry 1 sense Webster, 1913

Trestletree

· Tres·tle·tree · IPA
01 n. 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 …
  1. 1.
    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.(Naut.)