n. [ Cirrus + stratus. ] (Meteor.) See under Cloud. [ 1913 Webster ]
n. (Meteor.) Nimbus, or rain cloud. See Nimbus, and Cloud. [ 1913 Webster ]
n. (Meteor.) A form of cloud. See Cloud. [ 1913 Webster ]
n. [ L. stratus a spreading out, scattering, from sternere, stratum, to spread. ] (Meteor.) A form of clouds in which they are arranged in a horizontal band or layer. See Cloud. [ 1913 Webster ]