| n. | 1. | (Zool.) A small gray and white Australian parrot (Leptolophus hollandicus, formerly Calopsitta Novæ-Hollandiæ) with a prominent crest; the male has bright yellow cheeks and crest, but the female has only a pale yellow in the face; - it is so called from its note. |
| Noun | 1. | cockatiel - small gray Australian parrot with a yellow crested head |