Definitions

1. noun

The cavity in the head of an insect, especially an insectivorous mammal, that contains the mouthparts and esophagus.

“The cibarium of the shark is designed to consume large prey.”

2. noun

A part of the head of certain invertebrates, especially insects, that contains the mouthparts and esophagus.

“The cibarium of the butterfly is a complex structure with many mouthparts.”