Hemorrhoid

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Hemorrhoids \Hem"or*rhoids\, n. pl. [L. haemorrhoidae, pl., Gr.
     ?, sing., ? (sc. ?), pl., veins liable to discharge blood,
     hemorrhoids, fr. ? flowing with blood; a"i^ma blood + ? to
     flow: cf. F. h['e]morro["i]des, h['e]morrho["i]des. See
     {Rheum}.] (Med.)
     Livid and painful swellings formed by the dilation of the


     blood vessels around the margin of, or within, the anus, from
     which blood or mucus is occasionally discharged; piles;
     emerods.
  
     Usage: [The sing. {hemorrhoid} is rarely used.]
            [1913 Webster]

From WordNet (r) 2.0 [wn]:

  hemorrhoid
       n : pain caused by venous swelling at or inside the anal
           sphincter [syn: {haemorrhoid}, {piles}]