1. Relating to hemorrhoids. 2. Formerly applied to certain arteries and veins supplying the region of the rectum and anus, currently described by “anal” or “rectal.”
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hem·or·rhoid·al or chiefly Brit haem·or·rhoid·al .hem-ə-'rȯid-əl adj
1) of, relating to, or involving hemorrhoids
2) RECTAL
hemorrhoidal or chiefly Brit haemorrhoidal n a hemorrhoidal part (as an artery or vein)
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hem·or·rhoi·dal (hem″ə-roiґdəl) 1. pertaining to, or of the nature of, hemorrhoids. 2. a term formerly used for blood vessels now described as rectal.Medical dictionary. 2011.