(mathematics) Used to form the names of inverse trigonometric functions, and the symbols for these functions.

(Christianity) Satan

leading, leader

Any of the eight-legged creatures, including spiders, mites, and scorpions, of the class Arachnida.

(agriculture, of land) Able to be plowed or tilled, capable of growing crops (traditionally contrasted with pasturable lands such as heaths).

(basketball, informal) Outside the three-point line.

The act or process of arbitrating. / A process through which two or more parties use an arbitrator or arbiter in order to resolve a dispute.

Chief; primary; principal. / First; original. / Highest; most extreme. / (augmentative) Intensely, extremely, or exceptionally.

(in a theatre) The arch that frames a stage, and separates it from the auditorium.

An inhabitant of ancient Arcadia. / An ideal rustic.