/ˈɔːstrəm/ or /ˈɔːstrəm/ (AW-struhm or AW-struhm)

Definitions

1. noun

A pouch or sac in the wall of a part of the body such as the intestine or in a plant such as an air vessel or a water storage organ.

“The doctor studied the haustrum in the patient’s intestine to understand the cause of the blockage.”

2. noun

A compartment or chamber, especially one that is divided from others by a fold of tissue.

“The haustrum in the leaf helped to store water and nutrients for the plant.”