yawl \yawl\ (y[add]l), n. [D. jol; akin to LG. & Dan. jolle, Sw. julle. Cf. {Jolly-boat}.] 1. (Naut.) A small ship's boat, usually rowed by four or six oars. [Written also {yaul}.] [1913 Webster] 2. def>A fore-and-aft-rigged vessel with two masts, a mainmast carrying a mainsail and jibs, taller than the mizzenmast and stepped a little farther forward than in a {sloop}, and with the mizzenmast, or jiggermast far aft, usually placed aft of the water line or aft the rudder post. The mizzenmast of a yawl is smaller, and set further aft, than that of a {sloop}. [Webster 1913 Suppl. +RDH]