yellow poplar

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The tulip tree.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A species, Liriodendrum tulipifera, of tree in the Liriodendron genus, found in North America with pale green or yellow leaves.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun light easily worked wood of a tulip tree; used for furniture and veneer
• noun tall North American deciduous timber tree having large tulip-shaped greenish yellow flowers and conelike fruit; yields soft white woods used especially for cabinet work