DEMIJOHN Dem"i*john, n. Etym: [F. dame-jeanne, i. e., Lady Jane, a corruption of Ar. damajana, damjana, prob. fr. Damaghan a town in the Persian province of Khorassan, one famous for its glass works.]

Defn: A glass vessel or bottle with a large body and small neck, inclosed in wickerwork.

DEMILANCE
Dem"i*lance`, n.

Defn: A light lance; a short spear; a half pike; also, a demilancer.

DEMILANCER
Dem"i*lan`cer, n.

Defn: A soldier of light cavalry of the 16th century, who carried a demilance.

DEMILUNE
Dem"i*lune`, n. Etym: [F. demi-lune.]

1. (Fort.)

Defn: A work constructed beyond the main ditch of a fortress, and in front of the curtain between two bastions, intended to defend the curtain; a ravelin. See Ravelin.

2. (Physiol.)