(formed from dimidium), a word used in composition with other words to signify half.

DEMI-Attici, boroughs or larger villages of Attica. The Athenian tribes were distinguished into Demi. Homer, in his catalogue, distinguishes the Athenians by the appellation Demos. And when Theseus prevailed on them to quit the country and settle at Athens, they still continued to frequent the demi, and to perform their several religious ceremonies there.

DEMI-Culverin, a piece of ordnance usually 4½ inches bore, 2700 pounds weight, 10 feet long, and carrying point blank 175 paces. A demi-culverin of the least size is 4⅔ inches bore, 10 feet long, and 2000 pounds weight. It carries a ball of 4 inches diameter and of 9 pounds weight, and its level range is 174 paces. A demi-culverin of the largest fort is 4½ inches bore, 13½ feet long, and weighs 3000 pounds weight. It carries a ball 4½ inches diameter, weighing 12 pounds 11 ounces, point blank 178 paces.

DEMI-God. See Hero.

DEMI-Gorge, in Fortification, is that part of the polygon which remains after the flank is raised, and goes from the curtain to the angle of the polygon. It is half of the vacant space or entrance into a bastion.

DEMI-Quaver, a note in Music, two of which are equal to a quaver.

DEMI-Semi-Quaver, in Music, the shortest note, two of them being equal to a semi-quaver.