man'-shun (mone, "abode"): In Joh 14:2, the word is used in the plural: "In my Father's house are many mansions," the Revised Version margin "abiding places." The ideas conveyed are those of abundance of room, and permanence of habitation, in the heavenly world.
The International Standard Bible Encyclopedia
Mansion
The International Standard Bible Encyclopedia, James Orr (1915). Public domain, from the CrossWire SWORD module.