rectangular solid

noun
UK /rɛkˈtæŋɡjʊlə ˈsɒlɪd/
US /rɛkˈtæŋɡjələr ˈsɑːlɪd/

A rectangular solid is a box-shaped object with six flat rectangle faces.

A brick is a rectangular solid you can hold in your hand.


OTHER MEANINGS

2. In geometry, a three-dimensional figure whose faces are all rectangles meeting at right angles.

The teacher asked us to find the volume of the rectangular solid on the board.

3. A block or package shaped like a box, often used for shipping or storage.

The package arrived as a heavy rectangular solid wrapped in brown paper.

4. Any object in everyday life that looks like a box, such as a cereal box or a book.

She stacked the rectangular solids of old books against the wall.