Meaning of LAG in English

LAG

I. lag 1 /læɡ/ BrE AmE verb ( past tense and past participle lagged , present participle lagging )

[ Date: 1500-1600 ; Origin: Probably from a Scandinavian language ]

1 . [intransitive and transitive] to move or develop more slowly than others

lag behind

She stopped to wait for Ian who was lagging behind.

Britain is lagging behind the rest of Europe.

2 . [transitive] British English to cover water pipes etc with a special material to prevent the water inside them from freezing or the heat from being lost:

We’ve had the hot-water tank lagged.

II. lag 2 BrE AmE noun [countable]

a delay or period of waiting between one event and a second event:

a time lag

⇨ ↑ jet lag , ↑ old lag

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.