Source : Webster's Revised Unabridged Dictionary (1913)

Lame \Lame\, a. [Compar. {Lamer}; superl. {Lamest}.] [OE. lame,
   AS. lama; akin to D. lam, G. lahm,OHG., Dan., & Sw. lam,
   Icel. lami, Russ. lomate to break, lomota rheumatism.]
   1.
      (a) Moving with pain or difficulty on account of injury,
          defect, or temporary obstruction of a function; as, a
          lame leg, arm, or muscle.
      (b) To some degree disabled by reason of the imperfect
          action of a limb; crippled; as, a lame man. ``Lame of
          one leg.'' --Arbuthnot. ``Lame in both his feet.'' --2
          Sam. ix. 13. ``He fell, and became lame.'' --2 Sam.
          iv. 4.

   2. Hence, hobbling; limping; inefficient; imperfect. ``A lame
      endeavor.'' --Barrow.

            O, most lame and impotent conclusion! --Shak.

   {Lame duck} (stock Exchange), a person who can not fulfill
      his contracts. [Cant]

Lame \Lame\, v. t. [imp. & p. p. {Lamed}; p. pr. & vb. n.
   {Laming}.]
   To make lame.

         If you happen to let child fall and lame it. --Swift.

Source : WordNet®

lame
     adj 1: pathetically lacking in force or effectiveness; "a feeble
            excuse"; "a lame argument" [syn: {feeble}]
     2: (of horses) disabled in the feet or legs [syn: {spavined}]
     3: disabled in the feet or legs; "a crippled soldier"; "a game
        leg" [syn: {crippled}, {halt}, {halting}, {game}]

lame
     v : deprive of the use of a limb, especially a leg; "The
         accident has crippled her for life" [syn: {cripple}]

lame
     n 1: someone who doesn't understand what is going on [syn: {square}]
     2: a fabric interwoven with threads of metal; "she wore a gold
        lame dress"