Excrescent
Pronunciation : Ex*cres"cent
Part of Speech : a.
Etymology : [L. excresens, -entis, p. pr. of excrescere to grow out ; ex out + crescere to grow. See Crescent.]
Definition : Defn: Growing out in an abnormal or morbid manner or as a superfluity. Expunge the whole, or lip the excrescent parts. Pope. Excrescent letter (Philol.), a letter which has been added to a root; as, the d in alder (AS. alr) is an excrescent letter.
Source : Webster's Unabridged Dictionary, 1913