#1
interval n. [
time interval] a definite length of time marked off by two instants
. wn #2
interval n. a set containing all points (or all real numbers) between two given endpoints
. wn #3
interval n. [
separation] the distance between things; "fragile items require separation and cushioning"
. wn #4
interval n. [
musical interval] the difference in pitch between two notes
. wn