sea island cotton

noun, often capitalized S&I

Definition of sea island cotton 

: a cotton (Gossypium barbadense) with especially long silky fiber

called also sea island

First Known Use of sea island cotton

1805, in the meaning defined above

History and Etymology for sea island cotton

Sea Islands, chain of islands off the southeastern U.S. coast

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The first known use of sea island cotton was in 1805

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