LEVEL-LINES. Lines determining the shape of a ship's body horizontally, or square from the middle line of the ship.
LEVELS. Horizontal lines; or as a base square to a perpendicular bob.
LEVER. In the marine steam-engine, the lever and counter-balance weight are fixed upon the wiper-shaft, to form an equipoise to the valves. There is one on each side of the cylinder. (See [Spanner].)—Also, an inflexible bar of iron or wood to raise weights, which takes rank as the first and most simple of the mechanical powers.—To lever. An old word for unloading a ship.
LEVERAGE. The amount of a lever power.
LEVES. Very light open boats of the ancients.
LEVET. The blast of a trumpet or horn.
LEVIN. The old term for lightning.
LEVY. An enrolment or conscription.—To levy. To raise recruits.
LEWER. A provincialism for handspike; a corrupt form of lever.
LEWIS-HOLES. Two holes in the surface of a mortar, superseding ears.