名詞 lag.:

1. the act of slowing down or falling behind
   同義詞：slowdown, lag, retardation
2. the time between one event, process, or period and another
   同義詞：interim, meantime, meanwhile, lag
3. one of several thin slats of wood forming the sides of a barrel or bucket
   同義詞：stave, lag

動詞 lag.:

1. hang (back) or fall (behind) in movement, progress, development, etc.
   同義詞：lag, dawdle, fall back, fall behind
2. lock up or confine, in or as in a jail
   同義詞：imprison, incarcerate, lag, immure, put behind bars, jail, jug, gaol, put away, remand
3. throw or pitch at a mark, as with coins
   同義詞：lag
4. cover with lagging to prevent heat loss
   同義詞：lag