Learn how to say Horizontally correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word horizontal:
1parallel to the plane of the horizon; at right angles to the vertical:
a horizontal line
(of machinery) having its parts working in a horizontal direction:
a horizontal steam engine
2being at or involving the same level of a hierarchy:
horizontal class loyalties
uniform; based on uniformity:
horizontal expansion of the international community
combining firms engaged in the same stage or type of production:
a horizontal merger
3of or at the horizon:
the horizontal moon
a horizontal line, plane, etc..
mid 16th century (in sense 3 of the adjective): from French, or from modern Latin horizontalis, from late Latin horizon, horizont- (see horizon)