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(Mach.), a cogwheel of suitable pitch to work with another wheel; specifically, one of a pair of cogwheels of equal size.

Hence, specifically, a husband or wife; and among the lower animals, one of a pair associated for propagation and the care of their young.

of the mouth appendages of Crustacea, situated next behind the maxillæ. Crabs have three pairs, but many of the lower Crustacea have but one pair of them. Called also jawfoot, and foot jaw.

le; lying in a plane dividing a bilateral animal into right and left halves; -- said of unpaired organs and parts; as, median coverts. Median line. (a) (Anat.) Any line in the mesial plane; specif., either of the lines in which the mesial plane meets the surface of the body. (b) (Geom.) The line drawn from an angle of…

p; as, we met in the street; two lines meet so as to form an angle. O, when meet now Such pairs in love and mutual honor joined ! Milton.

Somewhat deranged in mind; having the jugment impaired. [Obs.] Bp. Reynolds.

To repair, as anything that is torn, broken, defaced, decayed, or the like; to restore from partial decay, injury, or defacement; to patch up; to put in shape or order again; to re-create; as, to mend a garment or a machine.

t. The offspring, generation F2, which arise from the chance union of these germ cells in pairs, according to the law of probability, are therefore on an average in the following proportions:

One who mends or repairs.

The middle one of the three pairs of embryonic renal organs developed in most vertebrates; the Wolffian body.

A larval crustacean in a stage following the nauplius, and having about seven pairs of appendages.

The most posterior of the three pairs of embryonic renal organs developed in many vertebrates.

cula musica), allied to the starlings. It is black, with a white spot on the wings, and a pair of flat yellow wattles on the head. It is often tamed and taught to pronounce words.

son afflicted by any great misfortune. [Obs.] Spenser. The woeful words of a miser now despairing. Sir P. Sidney.

ff to be mitered; also, a square with an arm adjustable to any angle. -- Miter wheels, a pair of bevel gears, of equal diameter, adapted for working together, usually with their axes at right angles.

Pairing with several males; -- said of certain fishes of which several males accompany each female during spawning.

That by which a thing is to be measured; standard. He that despairs measures Providence by his own little, contracted model. South.

A heavy locomotive for freight traffic, having three pairs of connected driving wheels and a two-wheeled truck. Great, or Grand, Mogul, the sovereign of the empire founded in Hindostan by the Mongols under Baber in the sixteenth century. Hence, a very important personage; a lord; -- sometimes only mogul. Dryden.…

fera. These animals have an unsegmented bilateral body, with most of the organs and parts paired, but not repeated longitudinally. Most of them develop a mantle, which incloses either a branchial or a pulmonary cavity. They are generally more or less covered and protected by a calcareous shell, which may be univalve, b…

State of being paired with a single mate.