underside

[ uhn-der-sahyd ]

noun

1. an under or lower side.

underside

/ ˈʌndəˌsaɪd /

noun

1. the bottom or lower surface

Word History and Origins

Origin of underside¹

First recorded in 1670–80; under- + side ¹

Example Sentences

The 297-square-inch Dingbat Medium is built from durable aircraft-grade aluminum and includes a single Pedal Power 2, which integrates seamlessly into the board’s underside.

From Popular-Science

The plastic arc connecting the two headphones can extend by an inch on both sides, and the foam on the underside of the arch holds the headphones in place and provides nice padding on your head.

From Popular-Science

However, I think Roland missed a beat by not including screw-mounts on the underside for a tripod plate and on the top for a small, flexible arm to hold something like a light, phone clamp, or even a better camera.

From Popular-Science

This is the underside of an economy dominated by big tech companies, whose size guarantees them leverage.

From Time

He and Valdez now think the bubble’s buoyancy may be flipping and pinning the beetle to the underside of the water’s surface.

From Science News For Students

Each and every one of those glorious flowers also packs pollen, the dark underside of spring.

From The Daily Beast

Your triceps muscle, stationed on the underside of your upper arm, shortened.

From The Daily Beast

But the maggot-infested underside of News of the World is a metaphor for what his whole tabloid operation has wrought.

From The Daily Beast

They were the dark or twisted underside of the American faith in individual will and initiative.

From The Daily Beast

The positive super-dynamic qualities of the politician have their not-so-super underside.

From The Daily Beast

The underside of the upper wings have the costa and summit covered with spots and minute incontinuous lines of a yellowish colour.

From Project Gutenberg

The underside of the lower wings are sulphureous, with very fine undulating or rather incontinuous lines of a yellowish colour.

From Project Gutenberg

This insect comes very near to the P. teutonia of Godart and Donovan, particularly in its underside.

From Project Gutenberg

In other respects the underside of the superior wings is like the upper, except perhaps that it is yellowish at the base.

From Project Gutenberg

The underside, however, is different, as the extremity of the upper wings and the whole of the under wings are of a fawn colour.

From Project Gutenberg