Definitions

1. noun

The middle part of the antennal base of an insect, especially an ant or a bee, where the antennal segments are joined.

“The cibarium is a critical anatomical feature in studying the behavior of ants.”

2. noun

A part of the mouth or throat in some arthropods, such as insects, where food is processed.

“The cibarium is a vital part of the digestive system in certain species of beetles.”