a. Phys. [mod. f. Gr. χοάνη funnel + -OID: cf. F. choanoïde.] Funnel-shaped; applied to one of the muscles of the eye in many vertebrata.
1839–47. Todd, Cycl. Anat., III. 1002/1. The suspensory or choanoid muscle met with in Mammalia.
1881. Mivart, Cat, v. § 7. 132. The eyeball, lying in its orbit, is held in place and moved by seven muscles.
The first of this is the suspensor oculi, or ‘choanoid muscle.’
