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A minute opening or passageway; an interstice between the constituent particles or molecules of a body; as, the pores of stones.

A passageway; an opening or entrance to an inclosed place; a gate; a door; a portal. [Archaic] Him I accuse The city ports by this hath entered. Shak. Form their ivory port the cherubim Forth issuing. Milton.

A suborder of Gephyræa, having a cylindrical body with a terminal anal opening, and usually with one or two caudal gills.

The first part; the earliest stage; the beginning or opening, as of the day, the year, etc.; hence, the dawn; the spring. Chaucer. In the very prime of the world. Hooker. Hope waits upon the flowery prime. Waller.

Descending far below the surface; opening or reaching to a great depth; deep. "A gulf profound." Milton.

A small bag or pouch, the opening of which is made to draw together closely, used to carry money in; by extension, any receptacle for money carried on the person; a wallet; a pocketbook; a portemonnaie. Chaucer. Who steals my purse steals trash. Shak.

on of opisthobranchiate mollusks having the branchiæ in a wreath or group around the anal opening, as in the genus Doris.

The opening from the stomach into the intestine.

of the sun coincides, to the observer's eye, with the horizon as seen directly through an opening at the side of the horizon glass, the index shows the sun's altitude upon the scale; -- more properly, but less commonly, called an octant. -- Quadrant of altitude, an appendage of the artificial globe, consisting of a sl…

A small opening in window tracery, of which the cusps, etc., make the form nearly square.

A dissecting instrument for opening the spinal canal. [Written also rachiotome.]

To create or form anew. On opening the campaign of 1776, instead of reënforcing, it was necessary to re-create, the army. Marshall.

oint; as, the figure refers to a footnote. Of those places that refer to the shutting and opening the abyss, I take notice of that in Job. Bp. Burnet.

The act of opening the exhaust port to allow the steam to escape. Lease and release. (Law) See under Lease. -- Out of release, without cessation. [Obs.] Chaucer.

ire. Chaucer. [Salt of tartar] placed in a cellar will . . . begin to relent. Boyle. When opening buds salute the welcome day, And earth, relenting, feels the genial ray. Pope.

An opening made by rending; a break or breach made by force; a tear. See what a rent the envious Casca made. Shak.

The side of an opening for a window, doorway, or the like, between the door frame or window frame and the outer surface of the wall; or, where the opening is not filled with a door, etc., the whole thickness of the wall; the jamb. [Written also revel.]

er may be used; -- said of fabrics. Reversible lock, a lock that may be applied to a door opening in either direction, or hinged to either jamb. -- Reversible process. See under Process.

An opening made by riving or splitting; a cleft; a fissure. Spenser.

cannon, of the wind, or the waves; the roar of ocean. Arm! arm! it is, it is the cannon's opening roar! Byron.