Definitions

1. noun

A small canal or channel, especially one in the body, such as the canaliculi of the eye or the canaliculi of the bone.

“The surgeon explained that the canaliculus in her eye was causing the vision problem.”

2. noun

A small groove or channel in a bone, especially one for a tendon or ligament.

“The canaliculus in the bone was causing severe pain to the patient.”