Definitions

1. noun

The highest part, especially the highest point of a building, hill, or similar structure.

“The altus of the cathedral towered above the city skyline.”

2. noun

A high note in music, especially in the altus or alto part of a melody.

“The singer’s altus soared through the entire opera.”

3. adjective

Highest or uppermost in position or level.

“The altus shelf in the bookcase held the rarest editions.”

4. adjective

Relating to or denoting the alto part in music.

“The altus section of the choir performed beautifully.”