Main Entry: in·ter·val

Pronunciation: \ˈin-tər-vəl\

Function: noun

Etymology: Middle English intervalle, from Anglo-French & Latin; Anglo-French entreval, from Latin intervallum space between ramparts, interval, from inter- + vallum rampart — more at wall

Date: 14th century

1 a : a space of time between events or states b British : intermission
2 a : a space between objects, units, points, or states b : difference in pitch between tones
3 : a set of real numbers between two numbers either including or excluding one or both of them
4 : one of a series of fast-paced exercises interspersed with slower ones or brief rests for training (as of an athlete)

— in·ter·val·lic \ˌin-tər-ˈva-lik\ adjective