The Collaborative International Dictionary of English v.0.48:

Chloroform \Chlo"ro*form\, n. [Chlorine + formyl, it having been
   regarded as a trichloride of this radical: cf. F.
   chloroforme, G. chloroform.] (Chem.)
   A colorless volatile liquid, CHCl3, having an ethereal odor
   and a sweetish taste, formed by treating alcohol with
   chlorine and an alkali. It is a powerful solvent of wax,
   resin, etc., and is extensively used to produce an[ae]sthesia
   in surgical operations; also externally, to alleviate pain.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Chloroform \Chlo"ro*form\, v. t. [imp. & p. p. Chloroformed;
   p. pr. & vb. n. Chloroforming.]
   To treat with chloroform, or to place under its influence.
   [1913 Webster]

WordNet (r) 3.0 (2006):

chloroform
    n 1: a volatile liquid haloform (CHCl3); formerly used as an
         anesthetic; "chloroform was the first inhalation
         anesthetic" [syn: chloroform, trichloromethane]
    v 1: anesthetize with chloroform; "Doctors used to put people
         under by chloroforming them"

Moby Thesaurus II by Grady Ward, 1.0:

73 Moby Thesaurus words for "chloroform":
   KO, Pentothal, anesthetize, annihilate, bedaze, benumb,
   bereave of life, besot, blunt, carry away, carry off, cocaine,
   coldcock, cut down, cut off, deaden, deprive of life, desensitize,
   destroy, dispatch, dispose of, do away with, do for, do to death,
   dope, drug, dull, end, ether, etherize, ethyl chloride, ethylene,
   execute, exterminate, finish, finish off, freeze, gas, immolate,
   kayo, kill, knock out, knock senseless, knock stiff,
   knock unconscious, launch into eternity, lay out, liquidate, lynch,
   make away with, martyr, martyrize, menthol, narcotize,
   nitrous oxide, numb, obtund, palsy, paralyze, poison, purge,
   put away, put down, put to death, put to sleep, remove from life,
   sacrifice, slay, starve, stun, stupefy, take life, take off