Definitions

1. verb

to talk foolishly or in a silly voice

“She started to gnabble incoherently when she realized she had eaten too much.”

2. verb

to make a grunting or growling noise, especially of a pig or dog

“The pig began to gnabble in the mud.”

3. noun

a harsh, guttural cry, especially of a pig or dog

“The sound of a pig’s gnabble filled the air.”