| acanthuridae | (n) surgeonfishes, Syn. family Acanthuridae |
| acanthurus | (n) type genus of the Acanthuridae: doctorfishes, Syn. genus Acanthurus |
| acanthus | (n) any plant of the genus Acanthus having large spiny leaves and spikes or white or purplish flowers; native to Mediterranean region but widely cultivated |
| Acanthuridae | n. |
| Acanthurus | n. |
| Acanthus | n.; |