sparrow

noun

1. 1

   The house sparrow, Passer domesticus; a small bird with a short bill, and brown, white and gray feathers.

2. 2

   A member of the family Passeridae, comprising small Old World songbirds.

3. 3

   A member of the family Emberizidae, comprising small New World songbirds.

4. 4

   Generically, any small, nondescript bird.

5. 5

   A quick-witted, lively person. Often used in the phrase cockney sparrow.