unison

Meanings

Plural: unisons

Noun

• corresponding exactly
  • "marching in unison"
• occurring together or simultaneously
  • "the two spoke in unison"
• (music) two or more sounds or tones at the same pitch or in octaves
  • "singing in unison"
• Identical pitch between two notes or sounds; the simultaneous playing of notes of identical pitch (or separated by one or more octaves).
• A sound or note having the same pitch as another, especially when used as the base note for an interval; a unison string.
• The state of being in harmony or agreement; harmonious agreement or togetherness, synchronisation.
• Two or more voices speaking or singing the same words together.