hartshorn

noun

harts·​horn ˈhärts-ˌhȯrn 

: a preparation of ammonia used as smelling salts

Word History

Etymology

from the earlier use of hart's horns as the chief source of ammonia

First Known Use

1685, in the meaning defined above

Medical Definition

hartshorn

noun

harts·​horn ˈhärts-ˌhȯ(ə)rn 

: a preparation of ammonia used as smelling salts see spirit of hartshorn