n. One who babbles; an idle talker; an irrational prater; one who says things heedlessly or mischievously.n. In ornithology: A name of various old-world dentirostral oscine passerine birds more or less nearly related to thrushes. plural The family Timaliidæ or subfamily Timaliinæ of Turdiæ, an uncertain group of generally short-winged and short-tailed birds, definable by no common characters.n. In hunting, a dog that yelps or gives tongue too much when in the field.