Lewis & Short

crŏtălistrĭa, ae, f. [κροταλίζω],

  1. I. a (female) castanet dancer, Prop. 4 (5), 8, 39.
  2. II. Poet., transf., a (rattling) stork, P. Syrus ap. Petr. 55 (cf. Ov. M. 6, 97).