(chiefly historical) A drinking vessel fashioned from an animal's horn.

(historical) A long, straight, valveless instrument, traditionally made of copper, originally used as a signal horn on fast coaches.

An inlet of the Bosphorus dividing the city of Istanbul and forming the natural harbor that has sheltered Greek, Roman, Byzantine, Ottoman and other ships for thousands of years.

(mineralogy) A weathered form of chlorargyrite

An inhabitant of the Horn of Africa

(dated) A shoehorn. / (obsolete) Anything that facilitates a transaction; that which smooths the way or greases the wheels.

A gray siliceous stone.

A mineral chloride of mercury, having a semitranslucent, horn-like appearance.

(archaic) To consume an alcoholic drink.

A wheel with long curved scoops, for raising water.