- 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
See cottonwood in American Heritage Dictionary 4
Any of several North American poplar trees, especially Populus deltoides, which has triangular leaves and a tuft of cottony hairs on the seeds.
(click for a larger image)
A river, about 225 km (140 mi) long, of southwest Minnesota flowing generally eastward to the Minnesota River.
Learn more about cottonwood