/wawr"bleuhr/ , n.
1. any of several small, chiefly Old World songbirds of the subfamily Sylviidae. Cf. blackcap (def. 1), reed warbler .
2. Also called wood warbler . any of numerous small New World songbirds of the family Parulidae, many species of which are brightly colored. Cf. yellow warbler .
3. a person or thing that warbles.
[ 1605-15; WARBLE 1 + -ER 1 ]