| Word | Definitions | Synonyms |
|---|---|---|
| cathartid | (noun) large birds of prey superficially similar to Old World vultures | Synonyms: New World vulture |
| intertidal | (adjective) of or relating to the littoral area above the low-tide mark | - |
| lacertid | (noun) Old World terrestrial lizard | Synonyms: lacertid lizard |
| undertide | (noun) a current below the surface of a fluid | Synonyms: undercurrent |