cottonwood definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- any of several poplars that have seeds thickly covered with cottony or silky hairs, esp. a rapidly growing lowland tree (Populus deltoides) of E and central U.S.
- the wood of any of these trees
cottonwood definition by American Heritage Dictionary
Any of several North American poplar trees, especially Populus deltoides, which has triangular leaves and a tuft of cottony hairs on the seeds.
A river, about 225 km (140 mi) long, of southwest Minnesota flowing generally eastward to the Minnesota River.