Noc"tu*id (?), n. [From L. nox, noctis, night.] (Zoöl.) Any one of numerous moths of the family Noctuidæ, or Noctuælitæ, as the cutworm moths, and armyworm moths; -- so called because they fly at night. -- a. Of or pertaining to the noctuids, or family Noctuidæ.