MANSION

noun Etymology: Middle English, from Anglo-French, from Latin ~-, mansio, from manēre to remain, dwell; akin to Greek menein to remain Date: 14th century 1. the act of remaining or dwelling ; stay , dwelling , abode , 2. a. manor house , a large imposing residence, a separate apartment or lodging in a large structure, 3. house 3b, one of the 28 parts into which the moon's monthly course through the heavens is divided