The Collaborative International Dictionary of English v.0.48:

Los \Los\, n.
   Praise. See Loos. [Obs.] --Chaucer.
   [1913 Webster]

V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

LOS
       Line Of Sight (WIMAX, NLOS)


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

LOS
       Loss of Signal (UNI, ATM)


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

LOS
       Local Operating System