Ĭn’ter-val, n.

n. [Lat. intervallum, from inter, between, and vallum, an earthen wall set with palisades, from vallus, stake, palisade; Fr. intervalle, It. intervallo, Sp. intervallo.]

1. A space between things; a void space intervening between any two objects; as, an interval between two houses or walls, or between two mountains or hills.
2. Space of time between any two points or events; as, the interval between the death of Charles the First, of England, and the accession of Charles the Second.
3. The space of time between two paroxysms of disease, pain, or delirium; remission; as, an interval of ease, of peace, of reason.
4. (Mus.) The difference in pitch between any two tones. Brande.
5. A tract of low or plain ground between hills, or along the banks of rivers, usually alluvial land, enriched by the overflowings of rivers, or by fertilizing deposits of earth from the adjacent hills. [In this sense, written also intervale.]