flatwise
/ˈflætˌwaɪz/
adverb
- With the flat side facing a surface or direction; in a flat position.
- He placed the board flatwise on the table to keep it from rolling.
- She laid the ruler flatwise against the paper to draw a straight line.
- The book fell flatwise onto the floor, making a loud slap.
Antonyms
adjective
- Having the flat side oriented toward something; lying flat.
- The package was shipped flatwise to save space in the box.
- Use a flatwise cut to get a smooth surface on the wood.
- The flatwise position of the plank made it easier to stack.