actinal

About 0.01 uses per million words.

Meaning

1. adjective Pertaining to the side or surface around the mouth in an animal that has radial symmetry such as a starfish.
2. adjective Pertaining to the axis of rotational symmetry in radiate animals.

Similar words

plastron oral abactinal adnate actinogonidial radulate actinomorphic actinomorphous zoanthoid actinoid

Often followed by

surface intermediate plates side spines interradial view and area surfaces