What is "yammers"

Usage examples of "yammers".

Over the water and up to them came the sound of a tremendous barking, a noise made up of all the different kinds and sizes of barks there are: yaps and yelps, and yammers and yowls, growling and grizzling, whickering and whining, snickering and snarling, mumping and moaning, and the most enormous baying, like a giant bloodhound in the backyard of an ogre.

Karl racks the slide, empty shell clattering down the stairs behind him as the tech yammers in a rage of panic and pain.