| Word | Definitions | Synonyms |
|---|---|---|
| anuran | (noun) any of various tailless stout-bodied amphibians with long hind limbs for leaping; semiaquatic and terrestrial species | Synonyms: batrachian, frog, salientian, toad, toad frog |
| anuresis | (noun) inability to urinate | Synonyms: anuria |
| anuria | (noun) inability to urinate | Synonyms: anuresis |
| anus | (noun) the excretory opening at the end of the alimentary canal | - |