Search Result for "horizontality": 
Wordnet 3.0

NOUN (1)

1. the quality of being parallel to the horizon;
- Example: "houses with a pronounced horizontality"



The Collaborative International Dictionary of English v.0.48:

Horizontality \Hor`i*zon*tal"i*ty\, n. [Cf. F.
   horizontalit['e].]
   The state or quality of being horizontal. --Kirwan.
   [1913 Webster]


WordNet (r) 3.0 (2006):

horizontality
    n 1: the quality of being parallel to the horizon; "houses with
         a pronounced horizontality"