1. a fast-growing North American poplar tree with triangular leaves that flutter in the wind
2. the soft wood of the cottonwood tree

Examples

• The cottonwood trees along the river provided welcome shade.
• We carved our initials into the bark of an old cottonwood.
• The cottonwood’s leaves rustled loudly in the breeze.
• Many pioneer cabins were built using cottonwood lumber.
• The cottonwood grove was a popular camping spot for travelers.
• Birds nested in the tall cottonwood that grew beside the creek.