[ prɒk'tɒlədʒi ]
■ noun the branch of medicine concerned with the anus and rectum.
Derivatives
proctological adjective
proctologist noun
Origin
C19: from Gk prōktos 'anus' + -logy .
PROCTOLOGY
Meaning of PROCTOLOGY in English
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004