What does ammonia mean?
The definition of ammonia
Am*mo”ni*a, n.
Etym: [From sal ammoniac, which was first obtaining near the temple of Jupiter Ammon, by burning camel’s dung. See Ammoniac.] (Chem.)

A gaseous compound of hydrogen and nitrogen, NH3, with a pungent smell and taste: — often called volatile alkali, and spirits of hartshorn.