underfeed

[ uhn-der-feed for 1; uhn-der-feed for 2 ]

/ ˌʌn dərˈfid for 1; ˈʌn dɛrˌfid for 2 /

to feed insufficiently.

to feed with fuel from beneath.

Origin of underfeed

First recorded in 1650–60; under- + feed

The animal was so underfed that his ribs were showing under his lusterless chestnut coat.

Central Park’s Carriages Saved This Horse |Michael Daly |April 24, 2014 |DAILY BEAST
The animals are mostly worked far too early, and underfed, and the majority are consequently undersized and of poor quality.

Notes on Agriculture in Cyprus and Its Products |William Bevan
The children who crowd these grimy alleys, half-clad and underfed, shrink away from your outstretched hand as if from a blow.

Story of My Life |Helen Keller
I ain't sure of the word, but I believe that means thin-blooded or underfed.

Rimrock Trail |J. Allan Dunn

They had been underfed, under-clothed, singled out for all the disagreeable work and all the abuse—because they were English.

Servants of the Guns |Jeffery E. Jeffery
An old tableau decked with new phrases—the underfed barbarian at the gate of the grainary.

Erik Dorn |Ben Hecht

underfeed

to give too little food to

to supply (a furnace, engine, etc) with fuel from beneath

an apparatus by which fuel, etc, is supplied from below