The Collaborative International Dictionary of English v.0.48:
Pilosity \Pi*los"i*ty\, n. [Cf. F. pilosit['e].] The quality or state of being pilose; hairiness. --Bacon. [1913 Webster]WordNet (r) 3.0 (2006):
pilosity n 1: the quality of having hair [syn: hairiness, pilosity] [ant: hairlessness]