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A valve gear, consisting of two eccentrics with their rods, giving motion to a slide valve by an adjustable connecting bar, called the link, in such a way that the motion of the engine can be reversed, or the cut-off varied, at will; -- used very generally in locomotives and marine engines.

Mechanism in which links, or intermediate connecting pieces, are employed to transmit motion from one part to another.

resemblance of its flower spikes to the tuft of a lion's tail. L. Cardiaca is the common motherwort.

le. -- Lip reading, the catching of the words or meaning of one speaking by watching the motion of his lips without hearing his voice. Carpenter. -- Lip salve, a salve for sore lips. -- Lip service, expression by the lips of obedience and devotion without the performance of acts suitable to such sentiments. -- Lip…

Any species of a family (Liparidæ) of destructive bombycid moths, as the tussock moths.

Any one of various species of moths belonging to the family Lithosidæ. Many of them are beautifully colored.

Imparting power; having motion; as, the live spindle of a lathe. Live birth, the condition of being born in such a state that acts of life are manifested after the extrusion of the whole body. Dunglison. -- Live box, a cell for holding living objects under microscopical examination. P. H. Gosse. -- Live feathers, fea…

imes called lobsters. Lobster caterpillar (Zoöl.), the caterpillar of a European bombycid moth (Stauropus fagi); -- so called from its form. Lobster louse (Zoöl.), a copepod crustacean (Nicothoë astaci) parasitic on the gills of the European lobster.

A contraction of the muscles of the jaw by which its motion is suspended; a variety of tetanus.

Moving from place to place; changing place, or able to change place; as, a locomotive animal.

An apparatus for measuring the rate of a ship's motion through the water.

Heavy or dull in respect to motion or thought; as, a logy horse. [U.S.] Porcupines are . . . logy, sluggish creatures. C. H. Merriam.

The larva of any species of geometrid moths. See Geometrid.

cking ahead, with the eternal lope, . . . a mixture of two or three gaits, as easy as the motions of a crade. T. B. Thorpe.

of, something, so as to be insensible of external things; as, to be lost in thought. Lost motion (Mach.), the difference between the motion of a driver and that of a follower, due to the yielding of parts or looseness of joints.

e love of brothers and sisters. Of all the dearest bonds we prove Thou countest sons' and mothers' love Most sacred, most Thine own. Keble.

loride, a tough, brown, translucent mass; -- so called from its resemblance to horn. Luna moth (Zoöl.), a very large and beautiful American moth (Actias luna). Its wings are delicate light green, with a stripe of purple along the front edge of the anterior wings, the other margins being edged with pale yellow. Each win…

purpose of computing the longitude. -- Lunar tables. (a) (Astron.) Tables of the moon's motions, arranged for computing the moon's true place at any time past or future. (b) (Navigation) Tables for correcting an observed lunar distance on account of refraction and parallax. -- Lunar year, the period of twelve lunar…

A child's word for mother.

In general, any combination of bodies so connected that their relative motions are constrained, and by means of which force and motion may be transmitted and modified, as a screw and its nut, or a lever arranged to turn about a fulcrum or a pulley about its pivot, etc.; especially, a construction, more or less complex,…