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The three-toed sloth (Bradypus tridactylus) of South America. See Sloth.

Improperly used also for the have; -- as in the phrases, a church with three aisles, the middle aisle.

ant his liberty; to allow a free passage; to allow one day for rest. He was allowed about three hundred pounds a year. Macaulay.

connect or form a relation between by similitude, resemblance, friendship, or love. These three did love each other dearly well, And with so firm affection were allied. Spenser. The virtue nearest to our vice allied. Pope.

A curved wooden horn about three feet long, with a cupped mouthpiece and a bell, used by the Swiss to sound the ranz des vaches and other melodies. Its notes are open harmonics of the tube.

One of the earths, consisting of two parts of aluminium and three of oxygen, Al2O3.

A foot of three syllables, the middle one long, the first and last short (as, h. In modern prosody the accented syllable takes the place of the long and the unaccented of the short; as, pro-phet''ic.

A foot of three syllables, the middle one short and the others long, as in cast. Andrews.

A fishlike creature (Amphioxus lanceolatus), two or three inches long, found in temperature seas; -- also called the lancelet. Its body is pointed at both ends. It is the lowest and most generalized of the vertebrates, having neither brain, skull, vertebræ, nor red blood. It forms the type of the group Acrania, Leptoca…

A metrical foot consisting of three syllables, the first two short, or unaccented, the last long, or accented; the reverse of the dactyl. In Latin d, and in English in-ter-vene, are examples of anapests.

A small fish, about three inches in length, of the Herring family (Engraulis encrasicholus), caught in vast numbers in the Mediterranean, and pickled for exportation. The name is also applied to several allied species.

A form of devotion in which three Ave Marias are repeated. It is said at morning, noon, and evening, at the sound of a bell.

90º (measured by a quarter circle). -- Solid angle, the figure formed by the meeting of three or more plane angles at one point. -- Spherical angle, one made by the meeting of two arcs of great circles, which mutually cut one another on the surface of a globe or sphere. -- Visual angle, the angle formed by two rays…

an angle or angles; -- used in compounds; as, right- angled, many-angled, etc. The thrice three-angled beechnut shell. Bp. Hall.

Characterized by unequal toes, three turned forward and one backward, as in most passerine birds.

Not isometric; having unsymmetrical parts; -- said of crystals with three unequal axes. Dana.

The class of the Coelenterata which includes the corals and sea anemones. The three principal groups or orders are Acyonaria, Actinaria, and Madreporaria.

A foot of three syllables, the first two long, and the last short.

ccasions, to dance round the altars whilst they sang the sacred hymns, which consisted of three stanzas or parts; the first of which, called strophe, was sung in turning from east to west; the other, named antistrophe, in returning from west to east; then they stood before the altar, and sang the epode, which was the l…

Free from chromatic and spherical aberration; -- said esp. of a lens in which rays of three or more colors are brought to the same focus, the degree of achromatism thus obtained being more complete than where two rays only are thus focused, as in the ordinary achromatic objective. --Ap`o*chro"ma*tism (#), n.…