Härts'hôrn, n.

n. The horn of the hart, or male deer.

☞ Hartshorn shavings, originally taken from the horns of harts, are now obtained chiefly by planing down the bones of calves. They afford a speedily-formed jelly. Hebert.

Hartshorn plantain (Bot.), an annual species of plantain; Plantago coronopus;—called also buckshorn. Booth.—Salt of hartshorn, an impure solid carbonate of ammonia, obtained by the destructive distillation of hartshorn, or any kind of bone; volatile salts. Brande.—Spirit of hartshorn, a solution of carbonate of ammonia.