Meaning of split-level

split-lev•el

Pronunciation: (split'lev'ul), [key]
— adj.
  1. noting a house having a room or rooms that are somewhat above or below adjacent rooms, with the floor levels usually differing by approximately half a story.
—n.
  1. a split-level house.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.