lock in

from WordNet (r) 3.0 (2006)

lock in
    v 1: close with or as if with a tight seal; "This vacuum pack
         locks in the flavor!" [syn: {lock in}, {seal in}]
    2: place in a place where something cannot be removed or someone
       cannot escape; "The parents locked her daughter up for the
       weekend"; "She locked her jewels in the safe" [syn: {lock
       in}, {lock away}, {lock}, {put away}, {shut up}, {shut away},
       {lock up}]

from Moby Thesaurus II by Grady Ward, 1.0

29 Moby Thesaurus words for "lock in":
      bolt in, bottle up, cast in prison, clap in jail, clap up, cork up,
      gaol, hold captive, hold in, hold in captivity, hold prisoner,
      immure, imprison, incarcerate, inhibit, intern, jail, jug, keep,
      keep in, lock up, maintain, preserve, repress, retain, save,
      save up, suppress, throw into jail

[email protected]