mansion
man.sion \'man-ch*n\ n [ME, fr. MF, fr. L mansion-, mansio, fr. mansus, pp. of ma]ne-re to remain, dwell; akin to Gk menein to remain obs 1a: the act of remaining or dwelling : STAY archaic 1b: ABODE 2a1: the house of the lord of a manor 2a2: a large imposing residence 2b: a separate apartment or lodging in a large structure 3a: HOUSE 3b: one of the 28 parts into which the moon's monthly course through the he avens is divided