Ex‐cres″cence (?) n. [F. excrescence, excroissanse, L. excrescentia excrescences, neut. pl. of p. pr. of excrescere. See Excrescent.] An excrescent appendage, as, a wart or tumor; anything growing out unnaturally from anything else; a preternatural or morbid development; hence, a troublesome superfluity; an incumbrance; as, an excrescence on the body, or on a plant. “Excrescences of joy.” Jer. Taylor.
The excrescences of the Spanish monarchy. Addison.