piles
NounWordNet 3.0
Webster's Dictionary (GCIDE)
Piles \Piles\, n. pl. [L. pila a ball. Cf. Pill a medicine.] (Med.) The small, troublesome tumors or swellings about the anus and lower part of the rectum which are technically called hemorrhoids. See Hemorrhoids.
Note: [The singular pile is sometimes used.] [1913 Webster]
Blind piles, hemorrhoids which do not bleed. [1913 Webster]