COT Cot (kt), n. Etym: [OE. cot, cote, AS. cot, cote, cottage; akin to D. & Icel. kot, G. koth, kot, kothe. Cf. Coat.]
1. A small house; a cottage or hut. The sheltered cot, the cultivated farm. Goldsmith.
2. A pen, coop, or like shelter for small domestic animals, as for sheep or pigeons; a cote.
3. A cover or sheath; as, a roller cot (the clothing of a drawing roller in a spinning frame); a cot for a sore finger.
4. Etym: [Cf. Ir. cot.]
Defn: A small, rudely-formed boat. Bell cot. (Arch.) See under Bell.
COT Cot (kt), n. Etym: [AS. cot cottage, bedchamber; or cf. OF. coite, F. couette (E. quilt), LL. cottum, cottus, mattress. See Cot a cottage.]
Defn: A sleeping place of limited size; a little bed; a cradle; a piece of canvas extended by a frame, used as a bed. [Written also cott.]
COTANGENT Co*tan"gent (k-tn"jent), n. Etym: [For co. tangens, an abbrev. of L. complementi tangens. See Tangent.] (Trig.)
Defn: The tangent of the complement of an arc or angle. See Illust. of Functions.