| crotal | n. any of several lichens of the genus |
| Crotalaria | ‖n. [ NL. See Crotalum. ] (Bot.) A genus of leguminous plants; rattlebox. [ 1913 Webster ] ☞ Crotalaria juncea furnishes the fiber called sunn or Bombay hemp. [ 1913 Webster ] |
| Crotaline | a. [ See Crotalus. ] (Zool.) Resembling, or pertaining to, the |
| Crotalo | ‖n. A Turkish musical instrument. [ 1913 Webster ] |
| Crotalum | ‖n. [ L., fr. Gr. &unr_;&unr_;&unr_;&unr_; rattle. ] (Mus.) A kind of castanet used by the Corybantes. [ 1913 Webster ] |
| Crotalus | ‖n. [ NL., fr. Gr. &unr_;&unr_;&unr_;&unr_; rattle. ] (Zool.) A genus of poisonous serpents, including the rattlesnakes. [ 1913 Webster ] |
| crotalaria | (n) any of various plants of the genus Crotalaria having inflated pods within which the seeds rattle; used for pasture and green-manure crops, Syn. rattlebox |
| crotalidae | (n) New World vipers: pit vipers, Syn. family Crotalidae |
| crotalus | (n) large rattlesnakes; seldom bite unless startled or pursuing prey, Syn. genus Crotalus |