rectangularbox

noun
UK /rekˈtæŋɡjələ bɒks/
US /rekˈtæŋɡjələr bɑːks/

A rectangular box is a box with six flat sides that are shaped like rectangles.

She packed the toys into a rectangular box.


OTHER MEANINGS

2. A box whose base and sides form right angles, often used for shipping.

The warehouse stacked every rectangular box against the wall.

3. A geometric solid with six rectangular faces.

In math class we learned that a brick is a rectangular box.

4. A storage container shaped like a rectangle, used in homes or offices.

He kept old photos in a rectangular box under his bed.