1. An anatomic space bordered by the common hepatic duct medially, the cystic duct laterally and the cystic artery superiorly. (wikipedia.org)
2. A triangle bounded by the cystic artery, the cystic duct, and the hepatic duct. (medical-dictionary.thefreedictionary.com)
Word origin: Named for Jean-François Calot, a French surgeon best known for describing treatment of curvature of the spine in Pott’s disease..