than tacking, but loses ground to leeward.

To tack, or wear, _in succession_, the leading vessel tacks, and
those which follow tack, each, as it arrives at the same point; the
order thus remaining the same. To tack, or wear _together_, all
tack at the same moment, which reverses the order.

TACTICS. That department of the Art of War which decides the
disposition and movements of an army, or of a fleet, on a particular
field of battle, in presence of an enemy.

TIDAL CURRENTS.

Ebb tide, the outflow of the water due to the tides.

Flood tide, the inflow of the water due to the tides.

Lee tide, the set of the current to leeward.

Weather tide, the set of the current to windward.

TIDE. The rise and fall of the water of the oceans under the influence
of the moon. Used customarily, but inaccurately, to express the
currents produced by the changes of level.

High tide, or high water, the two highest levels of the day.

Low tide, or low water, the two lowest.

Neap tide: the least rise and fall during the lunar month.

Spring tide: the greatest rise and fall during the same, being soon
after full and change of moon.

TRADE, the. A term applied to a body of merchant vessels, to or from a
particular destination.

TRADE WIND. A wind which blows uniformly from the same general
direction throughout a fixed period. In the West Indies, from the
northeast the year round. See also "Monsoon."

VEER. See "Cable."

VESSEL. A general term for all constructions intended to float upon
and move through the water. Specific definitions applicable to this
book:

Ship, a square-rigged vessel with three masts.

Brig, a square-rigged vessel with two masts.

Schooner, a fore and aft rigged vessel with two or more masts.

Sloop, a fore and aft rigged vessel with one mast. See pp. 9, 15, 17.

VESSELS OF WAR. Ship of the Line. A ship with three or more tiers of
guns, of which two are on covered decks; that is, have a deck above
them. See "Line of Battle Ship."

Frigate. A ship with one tier of guns on a covered deck.

Sloop of War. A ship, the guns of which are not covered, being on
the upper (spar) deck.

Sloops of war were sometimes brigs, but then were usually so styled.

WAKE. The track left by a vessel's passage through the water. "In the
wake of": directly astern of.

WAY. Movement through the water. "To get underway": to pass from
stand-still to movement.

WEAR,