Relating to the study of macrofeatures of the brain

(rare) The island of Australia and nearby islands, variously including New Guinea and New Zealand. / (economics) A fictional country used for examples. / Misspelling of Macaronesia.

plural of macronym

The science of macronutrients.

(rare) An acronym having a letter that stands for another acronym.

plural of macronode

(medicine, pathology) Elongated labia, a feature of certain Khoikhoi and other African women who develop, naturally or though artificial stretching, relatively elongated labia minora.