n. 1. One who gags. [ 1913 Webster ]
2. (Founding) A piece of iron imbedded in the sand of a mold to keep the sand in place. [ 1913 Webster ]
v. i. [ imp. & p. p. Gaggled p. pr. & vb. n. Gaggling ] [ Of imitative origin; cf. D. gaggelen, gagelen, G. gackeln, gackern, MHG. gāgen, E. giggle, cackle. ] To make a noise like a goose; to cackle. Bacon. [ 1913 Webster ]
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 ]