NOUN (1)

1. a flock of geese;


VERB (1)

1. make a noise characteristic of a goose;
- Example: "Cackling geese"

The Collaborative International Dictionary of English v.0.48:

Gaggle \Gag"gle\ (g[a^]g"g'l), v. i. [imp. & p. p. Gaggled; p.
   pr. & vb. n. Gaggling.] [Of imitative origin; cf. D.
   gaggelen, gagelen, G. gackeln, gackern, MHG. g[=a]gen, E.
   giggle, cackle.]
   To make a noise like a goose; to cackle. --Bacon.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Gaggle \Gag"gle\, n. [Cf. Gaggle v. i.]
   1. (Zool.) A flock of wild geese, especially when on the
      ground. [Prov. Eng.] --Halliwell.
      [1913 Webster]

   2. Hence: A gathering of people, especially a noisy one.
      [PJC]

   3. Hence: Any clustered group of related objects.
      [PJC]

WordNet (r) 3.0 (2006):

gaggle
    n 1: a flock of geese
    v 1: make a noise characteristic of a goose; "Cackling geese"