horizontal
🇺🇸
/ˌhɔːrɪˈzɑːntl/
🇬🇧
/ˌhɒrɪˈzɒntl/
flat and level, like the ground
The horizontal line on the graph shows time passing.
having everyone at the same level
The horizontal layout of the office makes teamwork easier.
a flat, level position
He moved from a horizontal to a sitting position.
a flat line or surface
Draw a horizontal across the page to divide it.