WordNet sense 1 (the time between one event, process, or period and another):

interim, meantime, meanwhile

WordNet sense 2 (one of several thin slats of wood forming the sides of a barrel or bucket):

stave

WordNet sense 3 (lock up or confine, in or as in a jail):

immure, imprison, incarcerate, jail, jug, remand, gaol, put away, put behind bars

WordNet sense 4 (hang (back) or fall (behind) in movement, progress, development, etc.):

dawdle, fall back, fall behind

WordNet sense 5 (the act of slowing down or falling behind):

retardation, slowdown