excrescence

ex·cres·cence

noun \ik-ˈskres-^ən(t)s\

Definition of EXCRESCENCE

: an outgrowth or enlargement: as a : a natural and normal appendage or development <hair is an excrescence from the scalp> b : an abnormal outgrowth <warty excrescences in the colon>

—ex·cres·cent \ik-ˈskres-^ənt\ adjective