underside

American  

[uhn-der-sahyd] / ˈʌn dərˌsaɪd /

noun

1. an under or lower side.

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underside British  

/ ˈʌndəˌsaɪd /

noun

1. the bottom or lower surface

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Etymology

Origin of underside

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

Example Sentences

He amused himself watching one stately older man examine the underside of the table, find nothing, and leave that night sure “that these rappings were veritable messages from beyond the grave.”

From Literature

It was all a stimulating change from opera-house productions, which often lean on 18th-century elegance instead of exploring the seamy underside and corruption of the demimonde that is at the heart of the piece.

From The Wall Street Journal

Ajinomoto, the Japanese food company best known for commercializing monosodium glutamate, used its chemistry knowledge to make a specialized film used in the underside layer of a chip alongside T-glass.

From The Wall Street Journal

It was deep black, and its wings were blood-red on the undersides.

From Literature

United then shocked the home side, taking the lead five minutes into the second half through a superb strike from Patrick Dorgu, who hammered in a shot off the underside of the crossbar.

From BBC