Boll
/bˈoʊl/
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Definition
(noun) The rounded seed-bearing capsule of a cotton or flax plant.
Sentence Examples
Amédée Bollée built one of the first steam-powered automobiles in 1873.
The boll weevil has long plagued cotton crops.
CEFR Practice Quiz
The cotton ____ is the protective case around the seeds and fiber city.