Underside
/ˈʌndɚsaɪd/ noun
noun ·Uncommon ·Advanced level
Definitions
Noun
- 1 The side that is below or underneath, the bottom.
"A correspondent suggested that the superior riding qualities of the latter were due to the absence of piston-valve chests above the cylinders, which made it possible to bring the underside of the water-tanks to a lower level than that of the "Rivers", so minimising the unsteadying effect of water surging in the tanks."
- 2 the lower side of anything wordnet
Example
More examples"A spider can produce a silky substance from tiny openings on its underside."
Etymology
From under- + side.