‖n. pl. [ NL., fr. E. cirrus + L. branchiae gills. ] (Zool.) A division of Mollusca having slender, cirriform appendages near the mouth; the Scaphopoda. [ 1913 Webster ]
n. [ Cirrus + cumulus. ] (Meteor.) See under Cloud. [ 1913 Webster ]
a. [ See Cirrus. ] (Bot.)
‖n. pl. [ NL., fr. E. cirrus + Gr. &unr_; mouth. ] (Zool.) The lowest group of vertebrates; -- so called from the cirri around the mouth; the Leptocardia. See Amphioxus. [ 1913 Webster ]
n. [ Cirrus + stratus. ] (Meteor.) See under Cloud. [ 1913 Webster ]
a.
n. (Meteor.) Nimbus, or rain cloud. See Nimbus, and Cloud. [ 1913 Webster ]