VENT-BIT. A peculiar augur or screw gimlet used for clearing the vent of a gun when obstructed.
VENT-FIELD of a Gun. The raised tablet in the metal near the breech in which the vent is bored.
VENTILATOR. The name of various machines contrived to expel the foul air from the store-rooms and hold, and introduce fresh in its stead.
VENT-PIECE. The movable fitment which closes the breech and contains the vent in Armstrong breech-loading guns.
VENT-PLUG. A fid or stopple made of leather or oakum fitting in the vent of a piece to stop it against weather, &c.
VENTRAL FIN. The posterior pair of fins under the body of fishes, corresponding to the hind legs of terrestrial quadrupeds.
VENUS. One of the inferior planets, and the second in order of distance from the sun. (See [Transit of Venus].)
VERIFICATION OF SHIP'S PAPERS. In this necessary process it is declared that papers of themselves prove nothing, and require to be supported by the oaths of persons in a situation to give them validity.
VERITAS. A register of shipping established in Paris, on the principle of Lloyd's List.
VERNAL EQUINOX. The point where the sun crosses the equator, going north. It is opposite the place of the autumnal equinox. (See [Equinoxes].)