Horizontal

adj. parallel to the horizon, flat, level

n. something which is parallel to level ground

Horizontal may refer to:Horizontal plane, in astronomy, geography, geometry and other sciences and contextsHorizontal coordinate system, in astronomyHorizontalism, in sociologyHorizontal (album), a 1968 album by the Bee Gees
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Noun
1. something that is oriented horizontally
(hypernym) orientation
Adjective
1. parallel to or in the plane of the horizon or a base line; "a horizontal surface"
(antonym) vertical, perpendicular
(similar) crosswise
(attribute) orientation

adv. horizontally, in a horizontal position

adj. horizontal, parallel to the horizon, flat, level

adj. horizontal