What is the meaning of Cavum?

A recess or hollow.

1. The lower part of the concha of the ear adjoining the origin of the helix.
2. The nasal cavity.

The lower part of the concha of the ear adjoining the origin of the helix.

The nasal cavity.

A fallstreak hole.

a hollow, hole, cavity, depression, pit, opening

a cave, burrow, cavern

inflection of cavus:

1. accusative masculine singular
2. nominative/accusative/vocative neuter singular

accusative masculine singular

nominative/accusative/vocative neuter singular

Source: wiktionary.org