(geometry) A continuous section of the circumference of a circle.

A place where many varieties of tree are grown for research, educational, and ornamental purposes.

Related to Arabia.

A native of Arabia. / An Arabian horse.

(publishing) Acronym of advance reader's copy, a copy of a book given to a reviewer free in advance for review purposes. / (pathology) Initialism of AIDS-related complex.

Initialism of American Red Cross.

(nautical, military) The Colombian Navy (Armada de la República de Colombia).

(nautical, military, initialism) ship's prefix for warships of the navy of Colombia.

An edible substance taken from one of two species of sub-Saharan acacia trees, Senegalia senegal and Vachellia seyal, used in the food industry as a stabilizer (e.g. in soda, gumdrops and marshmallows) and in other industries including pharmaceuticals, paints and polishes.

Persian Gulf, the body of water between Iran and the Arabian Peninsula. / (obsolete or archaic) Red Sea, the body of water between Egypt and the Arabian Peninsula.