horizontal — English Dictionary

Adjective

1. Perpendicular to the vertical; parallel to the plane of the horizon; level, flat.

   Examples

   horizontal lines

   More examples (3)

   I also claim the combination of the separator shaft with the shoe, and with the pitman, for the purpose of imparting to it a recriprocating horizontal movement, and a vibratory movement on its axis at the same time,...

   Power is derived from a British United Traction Limited "A"-type 150-h.p. six-cylinder horizontal diesel engine; this drives through a fluid flywheel, and thence through a free wheel unit to a four-speed epicyclic gearbox.

   […] a pair of pauldrons with the light horizontal bar which in later years developed into the high neckguard of the sixteenth century; numbers of gauntlets, visors of helmets, and other pieces, the handling of which is a sheer joy […]

2. Relating to horizontal markets

3. Pertaining to the horizon.

   Usage

   • Archaic

   Examples

   As when the Sun new ris'n / Looks through the Horizontal misty Air

4. Involving wines of the same vintages but from different wineries.

5. Having the two notes sound successively.

   Usage

   • of an interval

   Synonyms

   linearmelodic

   Antonyms

   vertical

6. Relating to sexual intercourse.

   Usage

   • euphemistic

   Examples

   horizontal tango

   More examples (1)

   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.

7. Being or relating to the transmission of organisms between biotic and/or abiotic members of an ecosystem that are not in a parent-progeny relationship.

   Examples

   Infectious agents may spread by horizontal transmission.

Noun

1. A horizontal component of a structure.

2. Horizon.

3. A Tasmanian shrub or small tree whose main trunk tends to lean over and grow horizontally, Anodopetalum biglandulosum

Adjective

1. parallel to or in the plane of the horizon or a base line

   Antonyms

   verticalinclined

   Examples

   a horizontal surface

Noun

1. something that is oriented horizontally

   Broader terms

   orientation