pen·the·mim·er \ˌpen(t)thəˈmimə(r)\noun (-s) Etymology: Late Latin penthemimeres, penthemimeris, from Greek penthēmimerēs, from penta- + hēmimerēs halved, from hēmi- hemi- + meros part — more at merit : a group of five half feet in Greek and Latin prosody : a catalectic colon of two and a half feet • pen·the·mim·er·al\| ̷ ̷ ̷ ̷|mimərəl\adjective