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Having both a preoral and a posterior band of cilla; -- applied to the larvæ of certain annelids.

A traitor. [Obs.] "Treachour full of false despite." Spenser.

Arranged in three vertical rows.

Having woolly or crispy hair; -- opposed to leiotrichous.

To cheat; to chouse; to swindle; to defraud; -- often with out. [Colloq.]

ble, volatile, oily, liquid hydrocarbon, obtained by the destructive distillation of caoutchouc.

mes also from the naseberry or sapodilla (Sapota zapotilla). It is more plastic than caoutchouc and more elastic than gutta-percha, as an adulterant of which it is used in England. It is used largely in the United States in making chewing gum.

The chough.

A raven, crow, or chough, used as a charge. Corbie crow, the carrion crow. [Scot.]

Of or pertaining to Cornwall, in England. Cornish chough. See Chough. -- Cornish engine, a single-acting pumping engine, used in mines, in Cornwall and elsewhere, and for water works. A heavy pump rod or plunger, raised by the steam, forces up the water by its weight, in descending.

A material for carpeting or floor covering, made of ground cork and caoutchouc or India rubber.

A pair of fluted rolls for grinding caoutchouc. Knight.

A white crystalline, sugary substance obtained from an African caotchouc.

lastic fibers which are but slightly affected by acids or alkalies. -- Gum elastic, caoutchouc.

pressure or altering force; springiness; tendency to rebound; as, the elasticity of caoutchouc; the elasticity of the air.

f a blackish brown color, occurring in soft, flexible masses; -- called also mineral caoutchouc, and elastic bitumen.

fluid preparation of glue and acetic acid oralcohol. -- Marine glue, a solution of caoutchouc in naphtha, with shellac, used in shipbuilding.

To cheat in a bargain; to chouse. [Slang, U. S.]

pecies of rock rose.-- Gum dragon. See Tragacanth. -- Gum elastic, Elastic gum. See Caoutchouc. -- Gum elemi. See Elemi. -- Gum juniper. See Sandarac. -- Gum kino. See under Kino. -- Gum lac. See Lac. -- Gum Ladanum, a fragrant gum yielded by several Oriental species of Cistus or rock rose. -- Gum passages, sap…

ssolves in oils and ethers, but not in water. In many of its properties it resembles caoutchouc, and it is extensively used for many economical purposes. The Mimusops globosa of Guiana also yields this material.