nounpl. co·quis, also co·quís
- A small arboreal frog (Eleutherodactylus coqui) native to Puerto Rico and introduced into Florida, Hawaii, and several Caribbean islands. The male has a loud, high-pitched call.
- Any of several other species in the genus Eleutherodactylus.
Origin of coquiPuerto Rican Spanish coquí imitative of its call