topcross

noun top·cross \-ˌkrȯs\

Definition of TOPCROSS

: 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

First Known Use of TOPCROSS

1890

Rhymes with TOPCROSS

across, backcross, brown sauce, bugloss, club moss, crisscross, duck sauce, emboss, Greek cross, hard sauce, Kinross, kouros, lacrosse, oakmoss, outcross, pathos, peat moss, pit boss, Red Cross, ringtoss, straw boss, tau cross, uncross, white sauce

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Britannica.com: Encyclopedia article about "topcross"

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