What is the meaning of Crescendo?

An instruction to play gradually more loudly, denoted by a long, narrow angle with its apex on the left ( < ), by musicians called a hairpin.

A gradual increase of anything, especially to a dramatic climax.

The climax of a gradual increase.

To increase in intensity; to reach or head for a crescendo.

Gradually increasing in force or loudness.

crescendo (instruction to play gradually more loudly)

crescendo (gradual increase, especially to a dramatic climax)

crescendo (music to be play gradually more loudly)

Source: wiktionary.org

See also