Definiciones
1.NounThe house sparrow, Passer domesticus; a small bird with a short bill, and brown, white and gray feathers.
2.NounA member of the family Passeridae, comprising small Old World songbirds.
3.NounA member of the family Passerellidae (or Emberizidae, under classification systems that subsume the New World sparrows under Emberizidae), comprising small New World songbirds.
4.NounGenerically, any small, nondescript bird.
5.NounA quick-witted, lively person."cockney sparrow"