A nerve, blood vessel, tendon, or muscle in the eye (see string, n. 2a). Usually in plural.

An abductor muscle; spec. the lateral rectus muscle of the eye. Also abducens muscle. Now rare.

The muscle that raises the upper eyelid. Obsolete. rare.

= orbicularis oculi, n. Also orbicularis muscle.

Of or pertaining to drinking; spec. in bibitory muscle, synonym for ‘rectus internus oculi’.

Anatomy. Each of the two small muscles which contract the brows in the action of frowning.

Designating a band of smooth muscle, sympathetically innervated, that forms part of the levator muscle of the upper eyelid. Also (now rare)…