TAIL. A rope spliced into the strop or round of any block, leaving a long end for making fast to rigging, spars, &c.—To tail on to a bank. To be aground abaft only.—To tail up or down a stream. When at anchor in a river, is as a ship's stern swings.

TAIL-BLOCK. A rope-stropped block, having an end of rope attached to it as a tail, by which it may be fastened to any object at pleasure.

TAIL OF A GALE. The latter part of a gale, when its violence is dying out.

TAIL ON, or Tally on. The order to clap on to a rope.

TAIL-RACE. The water which leaves the paddles of a steam-boat. Also, the water-course of a mill beyond the water-wheel.

TAIL-TACKLE. A luff-tackle purchase, with a hook in the end of the single block, and a tail to the upper end of the double block. Synonymous with watch-tackle.

TAIL UP. When a whale dives perpendicularly. In this case whalers expect the fish to rise near the same spot. Also termed fluking.

TAIL-VALVE. A valve in the air-pump at the opposite side from the condenser, and connected with the latter by a pipe under the air-pump: it opens when pressed by steam entering the condenser by the blow-through valve, but the weight of the atmosphere is sufficient to keep it shut so long as there is a vacuum in the condenser.

TAINT. By admiralty law, the taint of contraband extends to all property on board belonging to the owners of detected contraband articles.

TAISHES. Armour for the thighs.