I’ve been wondering—I know that the third party to a squabble is often the most to blame: the one who runs between A and B having a beautiful time telling each of them what the other has said.
Carol had never been awake to the earth except as a show of changing color and great satisfying masses; she had lived in people and in ideas about having ideas; but Hugh’s questions made her attentive to the comedies of sparrows, robins, blue jays, yellowhammers; she regained her pleasure in the arching flight of swallows, and added to it a solicitude about their nests and family squabbles.
A yelping squabble suddenly rose, then Juanita Haydock’s high titter, and Guy Pollock’s astonished, "Ouch!
There are no more uses of "squabble" in the book.
Show samples from other sources
I know what it’s like to have to squabble and pick and fight over the leftovers.
Lauren Oliver -- Before I Fall
If we meddled in every squabble and catfight we saw, we’d never be done.