the GNU version of the Collaborative International Dictionary of English
n. A feast or merry-making made by or for a family or business firm on taking possession of a new house or premises.
The Century Dictionary and Cyclopedia
n. A merrymaking entertainment to celebrate the entry of a family into a new home.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a party of people assembled to celebrate moving into a new home
Word Usage
"It could scarce be called a housewarming; for there was, of course, no fire, and with the two open doors and the open window gaping on the night, like breaches in a fortress, it began to grow rapidly chill."