Definition

1. Noun:
   • A species of poplar tree: "Eastern cottonwood" refers to a common poplar tree (Populus deltoides) native to eastern and central North America. It is characterized by its rapid growth, broad triangular leaves, and cotton-like seeds.
   • A cultivated tree: It is grown in the United States for its quick growth and dense foliage, and in Europe primarily for timber production.

Examples

• Noun:
  • The large eastern cottonwood by the river provides excellent shade. (The large eastern cottonwood tree near the river offers very good shade.)
  • Eastern cottonwood is often planted in parks for its rapid growth. (Eastern cottonwood trees are frequently planted in parks because they grow quickly.)

Advanced Usage

• In botanical contexts: The term is used precisely to distinguish from other cottonwood species like the black cottonwood () of the western United States.
  • The study compared the water usage of the eastern cottonwood with that of other riparian species. (The research compared how much water the eastern cottonwood tree uses compared to other species that grow near rivers.)

Variants and Related Words

• Cottonwood (n): A general term for several species of poplar trees, especially those with cottony seeds. "Eastern cottonwood" is a specific type.
  • Various types of cottonwood grow along streams across North America. (Different kinds of cottonwood trees are found growing near streams all over North America.)
• Poplar (n): The broader genus () to which the eastern cottonwood belongs.
  • Aspens and cottonwoods are both members of the poplar genus. (Aspen trees and cottonwood trees are both part of the poplar family of trees.)

Synonyms

• Populus deltoides: The scientific (Latin) name for the eastern cottonwood.
• Eastern poplar: A less common name for the same tree species.
• Necklace poplar: Another name referring to the same species, derived from the appearance of its seed capsules.

Related Phrases

• Cottonwood fluff: Refers to the white, cotton-like material that carries the tree's seeds in the wind during late spring or early summer.
  • The air was full of cottonwood fluff in June. (In June, the air was filled with the fluffy seeds from the cottonwood trees.)

Noun

1. a common poplar of eastern and central United States; cultivated in United States for its rapid growth and luxuriant foliage and in Europe for timber