δῑνωτός · dinōtos — LSJ
turned, rounded, λέχη, κλισίη, Il. 3.391, Od. 19.56; ῥινοῖσι βοῶν καὶ νώροπι χαλκῷ δινωτήν (sc. ἀσπίδα) covered with . . circular plates (or adorned with spirals), Il. 13.407; θρόνος A.R. 3.44.
whirling, κύκλοι Parm. 1.7; πτέρυγες Epic.Alex.Adesp. 4.14 Pap.