| Word | Definitions | Synonyms |
|---|---|---|
| mavis | (noun) common Old World thrush noted for its song | Synonyms: song thrush, throstle, Turdus philomelos |
| pavis | (noun) (Middle Ages) a large heavy oblong shield protecting the whole body; originally carried but sometimes set up in permanent position | Synonyms: pavise |
| protoavis | (noun) most primitive avian type known; extinct bird of the Triassic having bird-like jaw and hollow limbs and breastbone with dinosaur-like tail and hind limbs | - |