From The Collaborative International Dictionary of English v.0.48 [gcide]:
Loos \Loos\, n. [OE. los, fr. OF. los, laus.]
Praise; fame; reputation. [Obs.] --Spenser.
[1913 Webster]
Good conscience and good loos. --Chaucer.
[1913 Webster]
From WordNet (r) 3.0 (2006) [wn]:
Loos
n 1: Austrian architect (1870-1933) [syn: Loos, Adolf Loos]