1.
[syn: apartment building, apartment house]
The Collaborative International Dictionary of English v.0.48:
Apartment house \A*part"ment house\
A building comprising a number of lving units (apartments[4])
designed for separate housekeeping tenements, but having
conveniences, such as heat, light, elevator service, etc.,
furnished in common; contrasted to a detached dwelling.
Sometimes distinguished in the United States from a flat
house, in which each living unit comprises one entire floor,
whereas in an apartment house a floor may be partitioned into
any number of apartments[4].
[Webster 1913 Suppl. +PJC]
WordNet (r) 3.0 (2006):
apartment house
n 1: a building that is divided into apartments [syn: apartment
building, apartment house]