D defs.my
Entry 1 sense Webster, 1913

Stratus

/străt'-əs/ · Stra·tus · IPA /ˈstɹeɪ.təs/
01 n. A form of clouds in which they are arranged in a horizontal band or layer. See Cloud.
  1. 1.
    A form of clouds in which they are arranged in a horizontal band or layer. See Cloud.(Meteor.) See: Cloud