a. [f. L. excrēscenti-a (see EXCRESCENCE) + -AL.] Of the nature of an excrescence, redundant.
1849. Ruskin, Sev. Lamps, vi. § 15. 177. Mane and beard as in the lion … are … excrescential characters.
a. 1864. Hawthorne, Eng. Note-bks. (1879), II. 183. The vestry, I think, occupies that excrescential edifice.
