Definition of "belting"

He said recent nail-biting finals had renewed interest in the end-of-season contests, after a series of one-sided beltings earlier this decade.

2009 August 24, Matt Johnston, “Race for the eight as AFL finals approach”, in Herald Sun‎

Traditionally belting was used by certain character roles in musicals, usually the funny, quirky or feisty female roles.

2015, Gillyanne Kayes, Singing and the Actor, 2nd edition, Routledge, page 156

Kristin Vigard was originally chosen to play Annie, but after only a few performances, she was replaced by Andrea McArdle, who gave the role a tougher veneer (reminiscent of the Our Gang kids) while conveying vulnerability without sentimentality. And McArdle's belting exceeded everyone's wildest imagination. She transformed the writers' initial conception of Annie as a spirited but vocally average little girl into a Broadway diva.

2020, James Leve, “Little girls, big voices: Annie”, in Donelle Ruwe, James Leve, editors, Children, Childhood, and Musical Theater, Routledge, page 121