The Collaborative International Dictionary of English v.0.48:

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.
   [1913 Webster]

WordNet (r) 3.0 (2006):

lam
    n 1: 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, 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: scat, run, scarper, turn tail, lam,
         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,
       lam, flail]

Moby Thesaurus II by Grady Ward, 1.0:

33 Moby Thesaurus words for "lam":
   absquatulate, batter, beat, beat it, blow, breakout, decamp,
   dog it, drub, duck and run, duck out, flight, getaway, hammer,
   make off, paste, pelt, pound, powder, pummel, scape, scram,
   skedaddle, skin out, skip, skip out, slip, split, take a powder,
   take off, thrash, vamoose, wallop



V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

LAM
       Local Area Multicomputer (Parallel Computing)