Index of English words, starting with "ar"

(1) - Arena (n.) "Sand" or "gravel" in the kidneys.
(2) - Arena (n.) Any place of public contest or exertion; any sphere of action; as, the arenaof debate; the arena of life.
(3) - Arena (n.) The area in the central part of an amphitheater, in which the gladiators fought and other shows were exhibited; -- so called because it was covered with sand.

(1) - Arenation (n.) A sand bath; application of hot sand to the body.

(1) - Areola (n.) The colored ring around the nipple, or around a vesicle or pustule.
(2) - Areola (n.) An interstice or small space, as between the cracks of the surface in certain crustaceous lichens; or as between the fibers composing organs or vessels that interlace; or as between the nervures of an insect's wing.

(1) - Areolation (n.) Any small space, bounded by some part different in color or structure, as the spaces bounded by the nervures of the wings of insects, or those by the veins of leaves; an areola.
(2) - Areolation (n.) Division into areolae.