hartshorn

hartshorn is a Noun

Definition:

[1] The horn or antler of the hart, or male red deer.

[2] Spirits of hartshorn (see below); volatile salts. Hartshorn plantain (Bot.), an annual species of plantain (Plantago Coronopus); -- called also duck`s-horn. Booth. -- Hartshorn shavings, originally taken from the horns of harts, are now obtained chiefly by planing down the bones of calves. They afford a kind of jelly. Hebert. -- Salt of hartshorn (Chem.), an impure solid carbonate of ammonia, obtained by the destructive distillation of hartshorn, or any kind of bone; volatile salts. Brande & C.-- Spirits of hartshorn (Chem.), a solution of ammonia in water; -- so called because formerly obtained from hartshorn shavings by destructive distillation. Similar ammoniacal solutions from other sources have received the same name.