Main Entry: hor·i·zon·tal

Pronunciation: \ˌhȯr-ə-ˈzän-t^əl, ˌhär-\

Function: adjective

Date: 1555

1 a : of, relating to, or situated near the horizon b : parallel to, in the plane of, or operating in a plane parallel to the horizon or to a baseline : level <horizontal distance> <a horizontal engine>
2 : relating to, directed toward, or consisting of individuals or entities of similar status or on the same level <horizontal mergers> <horizontal hostility>

— horizontal noun

— hor·i·zon·tal·i·ty \-ˌzän-ˈta-lə-tē\ noun

— hor·i·zon·tal·ly \-ˈzän-t^əl-ē\ adverb