Akademik

orbicularis
1. Circular; denoting a circular or disk-shaped structure. 2. SYN: orbicular muscle. [L. fr. orbiculus, a small disk]

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or·bi·cu·lar·is ȯr-.bik-yə-'ler-əs n, pl -lar·es -(.)ēz a muscle encircling an orifice

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n.
either of two circular muscles of the face. The orbicularis oris, around the mouth, closes and compresses the lips. The orbicularis oculi, around each orbit, is responsible for closing the eye.

Medical dictionary. 2011.