Definitions for "Gena"
The cheek; the feathered side of the under mandible of a bird.
The part of the head to which the jaws of an insect are attached.
Side of the head below the temple, that is, the lateral surface of the head behind the eye and below the eye posterior to the malar sulcus, if present. [drawing][photo
(pl., genae) cephalic shell of the cephalon surrounding the glabella, usually divided by sutures into fixigena and librigena.
GENA stands for General Event Notification Architecture.