SIGLA n.
The signs, abbreviations, letters, or characters standing for words, shorthand, etc., in ancient manuscripts, or on coins, medals, etc. W. Savage.
WIRE n.
Birmingham wire gauges and the American wire gauge being often used and designated by the abbreviations B. W.G. and A. W.G. respectively. -- Wire gauze, a texture of finely interwoven wire, resembling gauze. -- Wire grass (Bot.), either of the two common grasses Eleusine Indica, valuable for hay and pasture, and Poa…
XP n.
The first two letters of the Greek word XRISTOS, Christ; -- an abbreviation used with the letters separate or, oftener, in a monogram, often inclosed in a circle, as a symbol or emblem of Christ. It use as an emblem was introduced by Constantine the Great, whence it is known as the Constantinian symbol, or monogram. Se…