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Webster 1913 Edition

Adj.

[Gr.

χοάνη

funnel +

-oid

(Anat.)

Funnel-shaped; – applied particularly to a hollow muscle attached to the ball of the eye in many reptiles and mammals.

choanoid ‎(comparative more choanoid, superlative most choanoid)

(anatomy) funnel-shaped; applied particularly to a hollow muscle attached to the eyeball in many reptiles and mammals