A hollow structure or cavity in biological terms, often referring to areas in the brain or the anatomy.

A term used in architecture for a cavity or recess within a structure.

एक संरचना के भीतर एक खोखली जगह या recess।

English Usage: The ancient temple featured an alveus that held sacred artifacts.

Hindi Usage: प्राचीन मंदिर में एक अल्वियस था जिसमें पवित्र कलाकृतियाँ रखी गई थीं।