lagging Definition

intr
lagged, lagging
1. To move or progress so slowly as to become separated or left behind.

Thesaurus: dawdle, tarry, linger, loiter, idle, straggle, trail; Antonym: lead.
Form: lag behind (usually)

1. A lagging behind; a delay.
2. The amount by which one thing is delayed behind another.

lagged, lagging
1. To cover (a boiler, water pipes, etc) with thick insulating material in order to minimize heat loss.

1. Insulating cover for pipes, boilers, etc.