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öl.), the bank swallow. [Prov. Eng.] -- Pit of the stomach (Anat.), the depression on the middle line of the epigastric region of the abdomen at the lower end of the sternum; the infrasternal depression. -- Pit saw (Mech.), a saw worked by two men, one of whom stands on the log and the other beneath it. The place of t…

will have a common velocity as in rolling contact; it usually cuts the teeth at about the middle of their height, and, in a circular gear, is a circle concentric with the axis of the gear; the line, or circle, on which the pitch of teeth is measured. -- Pitch of a roof (Arch.), the inclination or slope of the sides ex…

Having the shape of a placenta, or circular thickened disk somewhat thinner about the middle.

A public court or assembly in the Middle Ages, over which the sovereign president when a consultation was held upon affairs of state. Brande & C.

ant cutter (Zoöl.), a South American passerine bird of the genus Phytotoma, family Phytotomidæ. It has a serrated bill with which it cuts off the young shoots and buds of plants, often doing much injury. -- Plant louse (Zoöl.), any small hemipterous insect which infests plants, especially those of the families Aphidæ…

mosome, but transferred, like the chromosome, to subsequent generations. In bacteria, plasmids often carry the genes for antibiotic resistance; they are exploited in genetic engineering as the vehicles for introduction of extraneous DNA into cells, to alter the genetic makeup of the cell. The cells thus altered may pro…

ny marine gastropod belonging to Pleurotoma, and ether allied genera of the family Pleurotmidæ. The species are very numerous, especially in tropical seas. The outer lip has usually a posterior notch or slit.

Without pluck; timid; faint-hearted.

use her son. Sir P. Sidney. And with thou not reach out a friendly arm, To raise me from amidst this plunge of sorrows Addison.

One of the chief magistrates of the Italian republics in the Middle Ages. Brande & C.

A kind of pencil or style used with the tablets of the Middle Ages. "A pair of tablets [i. e., tablets] . . . and a pointel." Chaucer.

ch turns pure white in winter. It is probably a variety of the common European hare (L. timidus). -- Polar lights, the aurora borealis or australis. -- Polar, or Polaric, opposition or contrast (Logic), an opposition or contrast made by the existence of two opposite conceptions which are the extremes in a species, as…

The act of inflating the middle ear by blowing air up the nose during the act of swallowing; -- so called from Prof. Politzer of Vienna, who first practiced it.

Any one of numerous species of tropical food fishes of the family Polynemidæ. They have several slender filaments, often very long, below the pectoral fin. Some of them yield isinglass of good quality. Called also threadfish.

Of or pertaining to the polynemes, or the family Polynemidæ.

arine jager (Zoöl.), a North Atlantic jager (Stercorarius pomarinus) having the elongated middle tail feathers obtuse. The adult is black.

of cloak worn by the Spanish Americans, having the form of a blanket, with a slit in the middle for the head to pass through. A kind of poncho made of rubber or painted cloth is used by the mounted troops in the United States service.

on a round board with compartments. -- Pope's eye, the gland surrounded with fat in the middle of the thigh of an ox or sheep. R. D. Blackmore. -- Pope's nose, the rump, or uropygium, of a bird. See Uropygium.

s.] Chaucer. Poudre marchant Etym: [see Merchant], a kind of flavoring powder used in the Middle Ages. [Obs.] Chaucer.

To perform a certain movement in a dance. [R.] Tennyson. Down the middle, up again, poussette, and cross. J. & H. Smith.