Source : Webster's Revised Unabridged Dictionary (1913)

Iodoform \I*od"o*form\, n. [Iodo- + formyl. See {Formyl}, and
   cf. {Chloroform}.] (Chem.)
   A yellow, crystalline, volatile substance, {CI3H}, having an
   offensive odor and sweetish taste, and analogous to
   chloroform. It is used in medicine as a healing and
   antiseptic dressing for wounds and sores.

Source : WordNet®

iodoform
     n 1: sweet smelling yellow solid haloform CHI3 [syn: {tri-iodomethane}]
     2: a yellowish crystalline solid with a penetrating odor;
        sometimes used as an antiseptic dressing [syn: {triiodomethane}]