WordReference Random House Unabridged Dictionary of American English © 2026
quad•plex
(kwod′pleks′),USA pronunciation adj.
n.
- fourfold;
quadruple.
n.
- Also called fourplex. a building having four dwelling or commercial units.
- quad5 + -plex
'quadplex' also found in these entries (note: many are not synonyms or translations):