The Collaborative International Dictionary of English v.0.48:
Foetor \F[oe]"tor\, n. Same as Fetor. [1913 Webster] foetusWordNet (r) 3.0 (2006):
foetor n 1: a distinctive odor that is offensively unpleasant [syn: malodor, malodour, stench, stink, reek, fetor, foetor, mephitis]