1. Coming tardily after or behind; slow; tardy.
  2. Last; long-delayed; -- obsolete, except in the phrase lag end.
  3. Last made; hence, made of refuse; inferior.


  1. One who lags; that which comes in last.
  2. The fag-end; the rump; hence, the lowest class.
  3. The amount of retardation of anything, as of a valve in a steam engine, in opening or closing.
  4. A stave of a cask, drum, etc.; especially (Mach.), one of the narrow boards or staves forming the covering of a cylindrical object, as a boiler, or the cylinder of a carding machine or a steam engine.
  5. See Graylag.
  6. One transported for a crime.

v. i.

  1. To walk or more slowly; to stay or fall behind; to linger or loiter.

v. t.

  1. To cause to lag; to slacken.
  2. To cover, as the cylinder of a steam engine, with lags. See Lag, n., 4.
  3. To transport for crime.