orbicularis oculi
/ɔːˌbɪkjʊˈlɑːrɪs ˈɒkjʊlʌɪ/ /ɔːˌbɪkjʊˈlɑːrɪs ˈɒkjʊli/Anatomy
noun
A muscle that encircles the orbit and passes through the eyelids, serving to close the eye.
Origin
Late 18th century; earliest use found in John Bell. From scientific Latin orbicularis oculi from post-classical Latin orbicularis + classical Latin oculī, genitive of oculus eye.