We're working on a new site. Click here to get a sneak preview.
Medical Dictionary


adj hor·i·zon·tal \ˌhr-ə-ˈzänt-əl, ˌhär-\

Medical Definition of HORIZONTAL

:  relating to or being a transverse plane or section of the body
:  relating to or being transmission (as of a disease) by physical contact or proximity in contrast with inheritance—compare vertical
hor·i·zon·tal·ly \-əl-ē\ adverb
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears