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The course followed by anything in motion; hence, a road or route; as, the arrow descended in a curved line; the place is remote from lines of travel.

sm, as the fixed frame, or a rod, wheel, mass of confined liquid, etc., by which relative motion of other parts is produced and constrained.

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

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…

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…

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

Used in producing motion; as, the locomotive organs of an animal.

Of or pertaining to movement or locomotion. Locomotor ataxia, or Progressive locomotor ataxy (Med.), a disease of the spinal cord characterized by peculiar disturbances of gait, and difficulty in coördinating voluntary movements.

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.

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.

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…

also, appropriate for song; -- said especially of poetry which expresses the individual emotions of the poet. "Sweet lyric song." Milton.

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,…

her contrivance, attached to a railroad car for catching a mail bag while the train is in motion. -- Mail guard, an officer whose duty it is to guard the public mails. [Eng.] -- Mail train, a railroad train carrying the mail.

by roller pressure. Mangle rack (Mach.), a contrivance for converting continuous circular motion into reciprocating rectilinear motion, by means of a rack and pinion, as in the mangle. The pinion is held to the rack by a groove in such a manner that it passes alternately from one side of the rack to the other, and thus…

ith the engine cylinder. It is also moved at right angles to this direction by a reducing motion, called a reproducer, so as to copy accurately on a smaller scale the motion of the engine piston. The resultant of these two movements imparts to the reflected beam of light a motion similar to that of the pencil of the or…

ury or other liquid intervening, or in bending a metallic or other spring so as to set in motion an index; a pressure gauge. See Pressure, and Illust. of Air pump.

sive values of a variable quantity during one cycle of variation; as, mean distance; mean motion; mean solar day. Mean distance (of a planet from the sun) (Astron.), the average of the distances throughout one revolution of the planet, equivalent to the semi-major axis of the orbit. -- Mean error (Math. Phys.), the av…