EWAGE. An old law term meaning the toll paid for water-passage. EXALTATION. A planet being in that sign in which it is supposed to exert its utmost influence. EXAMINATION. A searching by, or cognizance of, a magistrate, or other authorized officer. Now strict in navy and army. EXCENTRIC. In a steam-engine, a wheel placed on the crank-shaft, having its centre on one side of the axis of the shaft, with a notch for the _gab-lever_. EXCENTRIC ANOMALY. An auxiliary angle employed to abridge the calculations connected with the motion of a planet or comet in an elliptic orbit. EXCENTRICITY. In astronomical parlance, implies the deviation of an elliptic orbit from a circle. EXCENTRIC ROD, by its action on the gab-lever, which it catches either way, puts the engine into gear. EXCHANGE. A term in the mercantile world, to denote the bills by which remittances are made from one country to another, without the transmission of money. The removal of officers from one ship to another. Also, a mutual agreement between contending powers for exchange of prisoners. EXCHEQUERED. Seized by government officers as contraband. Marked with the broad arrow. It also refers to proceedings on the part of the crown against an individual in the Exchequer Court, where suits for debts or duties due to the crown are brought. EXECUTION. The Lords of the Admiralty have a right to issue their warrant, and direct the time and manner, without any special warrant from the crown for that purpose.--_Military execution_ is the ravaging and destroying of a country that refuses to pay contribution. EXECUTIVE BRANCH. The commissioned and working officers of the ship, as distinguished from the civilian branch. EXERCISE. The practice of all those motions, actions, and management of arms, whereby men are duly trained for service. Also, the practice of loosing, reefing, and furling sails.--_Exercise_, in naval tactics, may be applied to the forming a fleet into order of sailing, line of battle, &c. The French term is _évolutions_ or _tactiques_, and may be defined as the execution of the movements which the different orders and disposition of fleets occasionally require, and which the several ships are directed to perform by means of signals. (_See_ SIGNALS.) EX LEX. An outlaw (a term of law). EXPANSION-VALVE. In the marine engine, a valve which shuts off the steam in its passage to the slide-valves, when the piston has travelled a certain distance in the cylinder, leaving the remaining part of the stroke to be performed by the expansion of the steam. EXPEDIENT. A stratagem in warfare. EXPEDITION. An enterprise undertaken either by sea or land, or both, against an enemy; it should be conducted with secrecy and rapidity of movement. EXPENDED. Used up, consumed, or asserted to be so. EXPENSE BOOKS. Accounts of the expenditure of the warrant officer's stores, attested by the signing officers.