n. A very small migratory and insectivorous singing-bird of Great Britain and other European countries, with a slender bill and extremely short tail, and of dark reddish-brown coloration varied with black, inhabiting shrubbery, and belonging to the family Troglodytidæ; hence, any member of this family, and, with a qualifying term, one of various other small birds of different families, as certain warblers, kinglets, etc. See the phrases below.n. The goldcrest or kinglet, Regulus cristatus. See cut under goldcrest.n. Uropsila leucogastra, of Oaxaca and Tamaulipas in Mexico, originally described by J. Gould in 1836 as Troglodytes leucogastra, a name subsequently misused to denote the white-bellied wren .n. (See also cactus-wren, cañon-wren, marsh-wren, reed-wren, tule-wren, willow-wren, wood-wren.)