D defs.my
Entry 1 sense Webster, 1913

Lugsail

· Lug·sail · IPA
01 n. A square sail bent upon a yard that hangs obliquely to the mast and is raised or lowered with the sail.
  1. 1.
    A square sail bent upon a yard that hangs obliquely to the mast and is raised or lowered with the sail.(Naut.)