Definitions
1.NounA distance in space.
2.NounA period of time."the interval between contractions during childbirth"
3.NounThe difference (a ratio or logarithmic measure) in pitch between two notes, often referring to those two pitches themselves (otherwise known as a dyad).
4.NounA connected section of the real line which may be empty or have a length of zero.
5.NounAn intermission.
6.Nounhalf time, a scheduled intermission between the periods of play.
7.NounEither of the two breaks, at lunch and tea, between the three sessions of a day's play.