What is the meaning of Intonation?

The rise and fall of the voice in speaking.

Emotive stress used to increase the power of delivery in speech.

A sound made by, or resembling that made by, a musical instrument.

Singing or playing in good tune or otherwise.

Reciting in a musical prolonged tone; intonating or singing of the opening phrase of a plain-chant, psalm, or canticle by a single voice, as of a priest.

intonation (all senses)

Source: wiktionary.org