The moon
Wears a wan circle round her blunted horns. Thomson.

Sharpening in mooned horns
Their phalanx. Milton.

The Lord is . . . the horn of my salvation. Ps. xviii. 2.

Horn block, the frame or pedestal in which a railway car axle box slides up and down; -- also called horn plate. -- Horn of a dilemma. See under Dilemma. -- Horn distemper, a disease of cattle, affecting the internal substance of the horn. -- Horn drum, a wheel with long curved scoops, for raising water. -- Horn lead (Chem.), chloride of lead. -- Horn maker, a maker of cuckolds. [Obs.] Shak. -- Horn mercury. (Min.) Same as Horn quicksilver (below). -- Horn poppy (Bot.), a plant allied to the poppy (Glaucium luteum), found on the sandy shores of Great Britain and Virginia; -- called also horned poppy. Gray. -- Horn pox (Med.), abortive smallpox with an eruption like that of chicken pox. -- Horn quicksilver (Min.), native calomel, or bichloride of mercury. -- Horn shell (Zoöl.), any long, sharp, spiral, gastropod shell, of the genus Cerithium, and allied genera. -- Horn silver (Min.), cerargyrite. -- Horn slate, a gray, siliceous stone. -- To haul in one's horns, to withdraw some arrogant pretension. [Colloq.] -- To raise, or lift, the horn (Script.), to exalt one's self; to act arrogantly. "'Gainst them that raised thee dost thou lift thy horn?" Milton. -- To take a horn, to take a drink of intoxicating liquor. [Low]