The line separating the numerator from the denominator, whether horizontal, (sometimes proscribed) oblique, or diagonal.
A horizontal component of a structure.
Horizon.
A Tasmanian shrub or small tree whose main trunk tends to lean over and grow horizontally, Anodopetalum biglandulosum
Relating to horizontal markets
Involving wines of the same vintages but from different wineries.
Having the two notes sound successively.
Relating to sexual intercourse.
Perpendicular to the vertical; parallel to the plane of the horizon; level, flat.