horizontality

English Thesaurus

1. the quality of being parallel to the horizon (noun.attribute)

hypernym	:	position, spatial relation,
definition	:	the spatial property of a place where or way in which something is situated (noun.attribute)

derivation	:	horizontal,
definition	:	parallel to or in the plane of the horizon or a base line (adj.all)

derivation	:	horizontal,
definition	:	parallel to or in the plane of the horizon or a base line (adj.all)