2. (Zo["o]l.) Any one of several species of small singing
birds of the genus {Regulus} and family {Sylviid[ae]}.
Note: The golden-crowned kinglet ({Regulus satrapa}), and the
rubycrowned kinglet ({R. calendula}), are the most
common American species. The common English kinglet
({R. cristatus}) is also called {golden-crested wren},
{moonie}, and {marigold finch}. The kinglets are often
popularly called {wrens}, both in America and England.