underbeat

verb, noun — 2 senses

verb

Etymology From under- + beat.

To beat too little, or less than usual.

At high elevations above 3.000 feet: Raise the baking temperature about 25 degrees. Underbeat the eggs.1994, Patricia C. Marden, Suzanne I. Barchers, Cooking Up World History: Multicultural Recipes and Resources, page 221:

noun

Etymology From under- + beat.

A beat that runs beneath a piece of music.

It certainly had merit as a punkish shouter with its machine-gun-spatter underbeat.2013, James Arena, First Ladies of Disco, page 53:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.