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The arc of the horizon between the true east or west point and the center of the sun, or a star, at its rising or setting. At the rising, the amplitude is eastern or ortive: at the setting, it is western, occiduous, or occasive. It is also northern or southern, when north or south of the equator.

A resemblance of relations; an agreement or likeness between things in some circumstances or effects, when the things are otherwise entirely different. Thus, learning enlightens the mind, because it is to the mind what light is to the eye, enabling it to discover things before hidden.

The inosculation of vessels, or intercommunication between two or more vessels or nerves, as the cross communication between arteries or veins.

Rather quicker than andante; between that allegretto.

The angle between the tangent to the advancing edge (of an aërocurve) and the line of motion; -- contrasted with angle of trail, which is the angle between the tangent to the following edge and the line of motion.

The angle between the chord of an aërocurve and the relative direction of the undisturbed air current.

A division of Crustacea, which, in some its characteristics, is intermediate between Amphipoda and Isopoda.

A space contained between the circumferences of two circles, one within the other.

Contest; opposition; antagonism. [Obs.] Antagony that is between Christ and Belial. Milton.

One of a group of ruminant quadrupeds, intermediate between the deer and the goat. The horns are usually annulated, or ringed. There are many species in Africa and Asia. The antelope and wolf both fierce and fell. Spenser.

The stipe when developed into an internode between calyx and corolla, as in the Pink family. Gray.

That part of the fore limb between the brachium and the carpus; the forearm.

A contradiction between any words or passages in an author. Sir W. Hamilton.

A secondary mask, or grotesque interlude, between the parts of a serious mask. [Written also anue.] Bacon.

nd water have antipathy. A habit is generated of thinking that a natural antipathy exists between hope and reason. I. Taylor.

ap, cleft, or chasm; a passage perforated; a hole; as, an aperture in a wall. An aperture between the mountains. Gilpin. The back aperture of the nostrils. Owen.

The difference between two quantities commensurable only in power, as between sq. root2 and 1, or between the diagonal and side of a square.

ed (like the cover of an apple turnover) as to prevent any one from getting at his length between them. Halliwell, Conybeare. -- Apple-pie order, perfect order or arrangement. [Colloq.] Halliwell.

The state of two nouns or pronouns, put in the same case, without a connecting word between them; as, I admire Cicero, the orator. Here, the second noun explains or characterizes the first. Growth by apposition (Physiol.), a mode of growth characteristic of non vascular tissues, in which nutritive matter from the blood…

Naked spaces between the feathered areas of birds. See Pteryliæ.