lag

Lock up or confine, in or as in a jail.

Hang (back) or fall (behind) in movement, progress, development, etc.

Cover with lagging to prevent heat loss.

“lag pipes”

Throw or pitch at a mark, as with coins.

The time between one event, process, or period and another.

The act of slowing down or falling behind.

One of several thin slats of wood forming the sides of a barrel or bucket.