noun. 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.

noun. A small freshwater fish of South America and West Indies (Lebistes reticulatus or Poecilia reticulata, originaly called Gerardinus guppyi), often kept in aquariums; also called rainbow fish.

noun. A tiny freshwater fish, Poecilia reticulata, popular in home aquariums, that usually has a plain body and black or dark blue tail for the females and a more colorful tail for the males.

noun. By extension, any tiny fish.

noun. small freshwater fish of South America and the West Indies; often kept in aquariums

"Jeffcoat said he booked a reservation on the "guppy" - a nickname that refers to the plane's stubby, round profile - when he heard of the retirement."

cyprinodont  

cuppy  puppy  yuppie  

HIV-positive  boys  childher  ex-slave  featherlight  

millionfish  rainbow fish  

rainbow fish