sky lark . To frolic or play, especially up in the rigging.
spar. Any lumber/pole used in rigging sails on a ship.
starboard. The right side of a ship or boat.
stern. The aft part of a boat or ship.
tack. To turn a ship about from one tack to another, by bringing her head to the wind.
transom. The stern cross-section/panel forming the after end of a ship’s hull.
veer. A shifting of the wind direction.
waister. Landsman or unskilled seaman who worked in the waist of the ship.
weigh. To raise, as in to weigh anchor.
yard. A spar attached to the mast and used to hoist sails.
yard arm. The end of a yard.
yawl. A two-masted sailboat/fishing boat with the shorter mizzen mast placed aft of the rudder post. Similar to a ketch.
zephyr. A gentle breeze. The west wind.