overlip
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Overlip — O ver*lip , n. [AS. oferlibban.] The upper lip. [Obs.] Chaucer. [1913 Webster] … The Collaborative International Dictionary of English
Prostomium — (sometimes also called acron) is the first body segment in annelids worms. It is in front of (but does not include) the mouth, being usually a small shelf or lip like extension over the dorsal side of the mouth. It sometimes bears antennae and… … Wikipedia
