acephalan, a. and n.
(əˈsɛfələn)
[f. prec. + -an.]
1. adj. Of or pertaining to the acephala.
| Mod. An animal of the acephalan type..One skilled in acephalan zoology. |
2. n. An animal of the division acephala.
| 1856 Woodward Man. Mollusca 49 Viviparous reproduction..appears to take place in the acephalans. |