What is "circumoral"

Usage examples of "circumoral".

And she gave him back a frightening smile, a smile empty of all affect, as if someone had contracted her circumorals with a thigmotactic electrode.

Voice trembling, she accepts the chairperson's proffered bandanna-hankie and blows her nose one nostril at a time and says she can almost see It all over again: Its expression: in the vanity's lights only Its eyes' whites showed, and while Its utter catatonia and paralysis prevented the contraction of Its luridly rouged face's circumoral muscles into any conventional human facial-type expression, nevertheless some hideously mobile and expressive layer in the moist regions below real people's expressive facial layer, some slow-twitch layer unique to It, had blindly contracted, somehow, to gather the blank soft cheese of Its face into the sort of pinched gasping look of neurologic concentration that marks a carnal bliss beyond smiles or sighs.