Source : Webster's Revised Unabridged Dictionary (1913)

Stinkhorn \Stink"horn`\, n. (Bot.)
   A kind of fungus of the genus {Phallus}, which emits a fetid
   odor.

Source : WordNet®

stinkhorn
     n : any of various ill-smelling brown-capped fungi of the order
         Phallales; "the foul smell of the stinkhorn attracts
         insects that carry the spores away on their feet" [syn: {carrion
         fungus}]