en.ˈtōmēˌän, -ēən noun
( plural ento·mia -ēə)
Etymology: New Latin, from Greek entomē notch (from feminine of entomos, verbal of entemnein to cut in, cut up) + -ion (diminutive suffix) — more at entomology
: the tip of the thickened angular part of the parietal bone that articulates with the mastoid portion of the temporal bone — see craniometry illustration