Definition of haemorrhoid in English:

haemorrhoid

(US hemorrhoid)

noun

usually haemorrhoids
  • A swollen vein or group of veins in the region of the anus.

    Also (collectively) called piles
    • ‘They slow down production of cholesterol and blood clots, make blood vessels and supportive tissue stronger, and reduce hemorrhoids and varicose veins.’
    • ‘You may have to strain, which can be painful and cause bleeding or haemorrhoids (swollen veins in the anus, also known as piles).’
    • ‘This lack of fibre contributes directly to the common diseases of gall stones, appendicitis, haemorrhoids, diverticular disease and cancer of the colon.’
    • ‘When the veins of this network become swollen with blood, haemorrhoids occur.’
    • ‘The concept of haemorrhoids as enlarged veins persisted until recently, when detailed anatomical studies demonstrated their soft tissue nature and the close association they have with the normal anus.’

Origin

Late Middle English: via Old French and Latin from Greek haimorrhoides (phlebes) ‘bleeding (veins)’, from haima ‘blood’ + an element related to rhein ‘to flow’.

Pronunciation

haemorrhoid

/ˈhɛmərɔɪd/