n. pl. gup·pies
A small live-bearing freshwater fish (Poecilia reticulata), native to northern South America and adjacent islands of the West Indies, bred in many colorful varieties and popular in home aquariums.
[After R.J. Lechmere Guppy (1836-1916), clergyman of Trinidad who first supplied specimens to the British Museum.]
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Indo-European & Semitic Roots Appendices
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