the interval between contractions during childbirth
noun The difference (a ratio or logarithmic measure) in pitch between two notes, often referring to those two pitches themselves (otherwise known as a dyad).
noun A connected section of the real line which may be empty or have a length of zero.
noun An intermission.
noun half time, a scheduled intermission between the periods of play.
noun Either of the two breaks, at lunch and tea, between the three sessions of a day's play.