Square sail Meaning, Definition & Usage

  1. noun a four-sided sail set beneath a horizontal yard suspended at the middle from a mast

WordNet


Definitions
  1. (Naut.), a four-sided sail extended upon a yard suspended by the middle; sometimes, the foresail of a schooner set upon a yard; also, a cutter's or sloop's sail boomed out. See Illust of Sail.

Webster 1913