Source : Webster's Revised Unabridged Dictionary (1913)

Fecal \Fe"cal\, a. [Cf. F. f['e]cal. See {Feces}.]
   relating to, or containing, dregs, feces, or ordeure;
   f[ae]cal.

Source : WordNet®

fecal
     adj : foul with waste matter; of or relating to feces [syn: {faecal},
            {feculent}]