horizontal

Etymology

Borrowed from Middle French horizontal.

adj

1. Perpendicular to the vertical; parallel to the plane of the horizon; level, flat.
   horizontal lines
2. (marketing) Relating to horizontal markets
3. (archaic) Pertaining to the horizon.
4. (wine) Involving wines of the same vintages but from different wineries.
5. (music, of an interval) Having the two notes sound successively.
6. (sex, euphemistic) Relating to sexual intercourse.
   horizontal tango
   Comparing a man who inspires you intellectually and makes you laugh with a guy who fulfils all your horizontal desires means you’re not comparing like with like. 2020-02-02, Mariella Frostrup, “One is a great guy; the other is good in bed. So who do I choose?”, in The Guardian

noun

1. A horizontal component of a structure.
2. (geology) Horizon.
3. A Tasmanian shrub or small tree whose main trunk tends to lean over and grow horizontally, Anodopetalum biglandulosum