Source : Webster's Revised Unabridged Dictionary (1913)

Lam \Lam\, v. t. [imp. & p. p. {Lammed}; p. pr. & vb. n.
   {Lamming}.] [Icel. lemja to beat, or lama to bruise, both fr.
   lami, lama, lame. See {Lame}.]
   To beat soundly; to thrash. [Obs. or Low] --Beau. & Fl.

Source : WordNet®

lam
     n : a rapid escape (as by criminals); "the thieves made a clean
         getaway"; "after the expose he had to take it on the lam"
         [syn: {getaway}]
     [also: {lamming}, {lammed}]

lam
     v 1: flee; take to one's heels; cut and run; "If you see this
          man, run!"; "The burglars escaped before the police
          showed up" [syn: {run}, {scarper}, {turn tail}, {run
          away}, {hightail it}, {bunk}, {head for the hills}, {take
          to the woods}, {escape}, {fly the coop}, {break away}]
     2: give a thrashing to; beat hard [syn: {thrash}, {thresh}, {flail}]
     [also: {lamming}, {lammed}]

lamming
     See {lam}