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topcross

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noun top·cross \-ˌkrȯs\

Definition of topcross

  1. :  a cross between a superior or purebred male and inferior female stock to improve the average quality of the progeny; also :  the product of such a cross

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First Known Use of topcross

1890

Learn More about topcross

  1. See words that rhyme with topcross Britannica.com: Encyclopedia article about topcross

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