'Gumming' definitions:

Definition of 'gumming'

From: WordNet
noun
Ineffectual chewing (as if without teeth) [syn: mumbling, gumming]

Definition of 'Gumming'

From: GCIDE
  • Gum \Gum\, v. t. [imp. & p. p. Gummed (g[u^]md); p. pr. & vb. n. Gumming.]
  • 1. To smear with gum; to close with gum; to unite or stiffen by gum or a gumlike substance; to make sticky with a gumlike substance. [1913 Webster]
  • He frets like a gummed velvet. --Shak. [1913 Webster]
  • 2. To chew with the gums, rather than with the teeth. [PJC]
  • gum up (a) To block or clog (a conduit) with or as if with gum; as, to gum up the drainpipe. (b) to interfere with; to spoil. [Slang] [PJC]