Underside
/ˈʌndəˌrsaɪd/
Listen pronunciation
Definition
(noun) The side that is below or underneath, the bottom.
Sentence Examples
A spider can produce a silky substance from tiny openings on its underside.
There was gum stuck to the underside of the chair.
CEFR Practice Quiz
I noticed a small crack on the ____ of the table, so I decided to call a carpenter to repair it soon today.