unison

n. harmony, agreement

For other uses, see Unison (disambiguation). UNISON — the Public Service Union is the second largest trade union in the United Kingdom, with over 1.3 million members.It was formed in 1993 when three previous public sector trade unions, the National and Local Government Officers Association (NALGO), the National Union of Public Employees (NUPE) and the Confederation of Health Service Employees (COHSE) merged.UNISON's current general secretary is Dave Prentis. He was elected on 28 February 2000, and took up the post on 1 January 2001, succeeding Rodney Bickerstaffe who had held the post for five years.
See more at Wikipedia.org...

UNiSON: Rebels of Rhythm & Dance (sometimes known as simply Unison) is a rhythm video game released for the PlayStation 2 in 2001 which featured unique controls and, at the time, beautiful graphics for its genre of game. It is heavily inspired by J-pop, anime and the formation of musical girl groups.
See more at Wikipedia.org...

In music, a unison is an interval, the ratio of 1:1 or 0 half steps and zero cents. Two tones in unison are considered to be the same pitch, but are still perceivable as coming from separate sources. The unison is considered the most consonant interval while the near unison is considered the most dissonant. The unison is also the easiest interval to tune.
See more at Wikipedia.org...

Noun
1. corresponding exactly; "marching in unison"
(hypernym) agreement, accord
2. occurring together or simultaneously; "the two spoke in unison"
(hypernym) concurrence, coincidence, conjunction, co-occurrence
3. (music) two or more sounds or tones at the same pitch or in octaves; "singing in unison"
(hypernym) sound
(classification) music

(n.)
Sounding alone.
  

(n.)
Sounded alike in pitch; unisonant; unisonous; as, unison passages, in which two or more parts unite in coincident sound.
  

(n.)
Identity in pitch; coincidence of sounds proceeding from an equality in the number of vibrations made in a given time by two or more sonorous bodies. Parts played or sung in octaves are also said to be in unison, or in octaves.
  

(n.)
Harmony; agreement; concord; union.
  

(n.)
A single, unvaried.
  

muz. unison
fig. unison
fig. accord