sidewall
/ˈsaɪdˌwɔl/
noun
- The side surface of a tire, between the tread and the rim.
- The mechanic pointed to a crack in the sidewall of the front tire.
- She checked the sidewall for the tire's size and pressure rating.
- Off-road tires have thicker sidewalls to resist punctures from rocks.
- A wall or side surface of a structure, container, or object.
- Water seeped through the sidewall of the old wooden barrel.
- The sidewall of the tent was reinforced to withstand strong winds.
- The aquarium's glass sidewall gave a clear view of the fish inside.