1) Actinomorphic 2) Actinomorphous 3) Having a radial form 4) Radiate 5) Raylike 
• (a.) Having the form of rays; radiated, as an actinia.
Ac'tin·oid adjective [ Greek ..., ..., ray + -oid .] Having the form of rays; radiated, as an actinia. 
[adj] - having a radial form 2. [n] - any of a series of radioactive elements with atomic numbers 89 through 103
adjective having a radial form; `starfish are actinoid--that is, they are radially symmetrical`
raylike; radiate.