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Webster 1828 Edition

ppr.

Biting in small bits; carping.

nibbling

nibbling ‎(plural nibblings)

The act or sound of one who nibbles.
- Virginia Woolf
  Minute nibblings and rustlings broke the silence.
A small adjustment or encroachment.
- 1821, The British Prose Writers: Gray's letters (page 26)
  I send you back the two last sheets, because you bid me. I reserve my nibblings and minutiae for another day.
- 2013, John Dewey, China, Japan, and the USA
  Meantime the penetration of Shantung by means of railway discrimination, railway military guards, continual nibblings here and there, will be going on.