Of or referring to the Middle Stone Age (also the Mesolithic period or the Mesolithic age), a prehistoric period that lasted between 10000 and 3000 BC.

present participle of mezzanine

A member of the Jivaro peoples.

(obsolete) A mountain. / (chiefly Britain) A hill. / A mound of earth and stones raised over a grave or graves. / (mining) A heap of rubbish, attle, or other such refuse.