from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. funnel-shaped; applied particularly to a hollow muscle attached to the eyeball in many reptiles and mammals
from the GNU version of the Collaborative International Dictionary of English
- adj. Funnel-shaped; -- applied particularly to a hollow muscle attached to the ball of the eye in many reptiles and mammals.
from The Century Dictionary and Cyclopedia
- Funnel-shaped; infundibuliform: specifically applied to the choanoideus, a muscle of the eyeball of many animals.
- n. The choanoid muscle, or choanoideus.
Ancient Greek χοάνη (khoanē, "funnel") + -oid. (Wiktionary)