- at right angles to the vertical; parallel to level ground.
- flat or level: a horizontal position.
- being in a prone or supine position; recumbent: His bad back has kept him horizontal for a week.
- near, on, or parallel to the horizon.
- of or relating to the horizon.
- measured or contained in a plane parallel to the horizon: a horizontal distance.
- (of material on a printed page, pieces on a game board, etc.) extending across, from the left to the right of the viewer.
- of or relating to a position or individual of similar status: He received a horizontal promotion to a different department, retaining his old salary and title.
- of or relating to companies, affiliates, divisions, etc., that perform the same or similar functions or produce the same or similar products: Through horizontal mergers the company monopolized its field.
- anything horizontal, as a plane, direction, or object.
- parallel to the plane of the horizon; level; flat
- of or relating to the horizon
- measured or contained in a plane parallel to that of the horizon
- applied uniformly or equally to all members of a group
- relating to identical stages of commercial activity
- a horizontal plane, position, line, etc
