LATTICE n.
piece of latticework used as a bearing, the bands being vertical and horizontal. Lattice bridge, a bridge supported by lattice girders, or latticework trusses. -- Lattice girder (Arch.), a girder of which the wed consists of diagonal pieces crossing each other in the manner of latticework. -- Lattice plant (Bot.), a…
LEAF n.
any species of the family Chrysomelidæ, as the potato beetle and helmet beetle. -- Leaf bridge, a draw-bridge having a platform or leaf which swings vertically on hinges. -- Leaf bud (Bot.), a bud which develops into leaves or a leafy branch. -- Leaf butterfly (Zoöl.), any butterfly which, in the form and colors of…
LIFT n.
ce during which the impulse is given. Saunier. Dead lift. See under Dead. Swift. -- Lift bridge, a kind of drawbridge, the movable part of which is lifted, instead of being drawn aside. -- Lift gate, a gate that is opened by lifting. -- Lift hammer. See Tilt hammer. -- Lift lock, a canal lock. -- Lift pump, a lift…
LIFTING a.
Used in, or for, or by, lifting. Lifting bridge, a lift bridge. -- Lifting jack. See 2d Jack, 5. -- Lifting machine. See Health lift, under Health. -- Lifting pump. (Mach.) (a) A kind of pump having a bucket, or valved piston, instead of a solid piston, for drawing water and lifting it to a high level. (b) A pump wh…
LIVE a.
), a suddenly applied load; a varying load; a moving load; as a moving train of cars on a bridge, or wind pressure on a roof. Live oak (Bot.), a species of oak (Quercus virens), growing in the Southern States, of great durability, and highly esteemed for ship timber. In California the Q. chrysolepis and some other spec…