four-sided
adjectiveUK /ˌfɔːˈsaɪdɪd/
US /ˌfɔːrˈsaɪdɪd/
A four-sided shape has four straight sides.
A square is a four-sided shape.
OTHER MEANINGS
2. Having four faces or surfaces.
The four-sided pyramid stood in the sand.
3. Involving four parties or groups.
They held a four-sided meeting to settle the dispute.
4. Having four aspects or viewpoints.
The story is a four-sided account of what happened.