Source : Webster's Revised Unabridged Dictionary (1913)

Fetor \Fe"tor\, n. [L. fetor, foetor. See {Fetid}.]
   A strong, offensive smell; stench; fetidness. --Arbuthnot.

Source : WordNet®

fetor
     n : a distinctive odor that is offensively unpleasant [syn: {malodor},
          {malodour}, {stench}, {stink}, {reek}, {foetor}, {mephitis}]