lagging noun 3adjective 2forms 3 noun3 •The covering of something with strips of felt, wood etc, either as insulation or for protection. •The material so used. •(slang) A prison sentence, originally one of at least three years."Whether you'll get a nine or a lagging depends on the answer you give me, Mrs. Inglethorne." — 1926 adjective2 •falling behind, not keeping up the pace •Occurring after; indicating the later phase ofA leading wave is one which reaches its maximum value before another, which is thus a lagging wave — 1944 formslaggings · more lagging · most lagging
