piles

Từ điển Oxford Advanced Learner 8th

piles BrE [paɪlz] NAmE [paɪlz] noun plural
painful swollen ↑veins at or near the ↑anus
Syn: ↑haemorrhoids

Word Origin:
[piles] late Middle English: probably from Latin pila ‘ball’ (because of the globular form of external haemorrhoids).

• Từ đồng nghĩa / Synonyms:
  atomic pile, atomic reactor, chain reactor, nap, spile, piling, stilt, voltaic pile, galvanic pile, down, bundle, big bucks, megabucks, big money, batch, heap, mound, agglomerate, cumulation, cumulus, throng, mob, pack, jam, stack