Defn: Constriction or contraction of some natural passage, as in constipation from inflammation.
ARCTIC Arc"tic, a. Etym: [OE. artik, OF. artique, F. arctique, L. arcticus, fr. Gr. ursus bear, Skr.
Defn: Pertaining to, or situated under, the northern constellation called the Bear; northern; frigid; as, the arctic pole, circle, region, ocean; an arctic expedition, night, temperature.
Note: The arctic circle is a lesser circle, parallel to the equator, 23º 28' from the north pole. This and the antarctic circle are called the polar circles, and between these and the poles lie the frigid zones. See Zone.
ARCTIC
Arc"tic, n.
1. The arctic circle.
2. A warm waterproof overshoe. [U.S.]
ARCTISCA
Arc*tis"ca, n. pl. Etym: [NL., fr. Gr. (Zoöl.)
Defn: A group of Arachnida. See Illust. in Appendix.
ARCTOGEAL
Arc`to*ge"al, a. Etym: [Gr. (Zoöl.)