Definitions
1.nounSomething, such as a glove or other pledge, thrown down as a challenge to combat (now usually figurative).
2.nounSomething valuable deposited as a guarantee or pledge; security, ransom.
3.nounA subspecies of plum, Prunus domestica subsp. italica.
4.nounA measure; a standard of measure; an instrument to determine dimensions, distance, or capacity; a standard
5.nounAn act of measuring.
6.nounAn estimate.
7.nounAny instrument for ascertaining or regulating the level, state, dimensions or forms of things
8.nounA thickness of sheet metal or wire designated by any of several numbering schemes.
9.nounThe distance between the rails of a railway.
10.nounA semi-norm; a function that assigns a non-negative size to all vectors in a vector space.
11.nounThe number of stitches per inch, centimetre, or other unit of distance.
12.nounRelative positions of two or more vessels with reference to the wind."A vessel has the weather gauge of another when on the windward side of it, and the lee gauge when on the lee side of it."
13.nounThe depth to which a vessel sinks in the water.
14.noun(plastering) The quantity of plaster of Paris used with common plaster to make it set more quickly.
15.nounThat part of a shingle, slate, or tile, which is exposed to the weather, when laid; also, one course of such shingles, slates, or tiles.
16.nounA unit of measurement which describes how many spheres of bore diameter of a shotgun can be had from one pound of lead; 12 gauge is roughly equivalent to .75 caliber.
17.noun(by extension) A shotgun (synecdoche for 12 gauge shotgun, the most common chambering for combat and hunting shotguns).
18.nounA tunnel-like ear piercing consisting of a hollow ring embedded in the lobe.