Search Result for "lidar": 
Wordnet 3.0

NOUN (1)

1. a measuring system that detects and locates objects on the same principle as radar but uses light from a laser; a potential technology for detecting air turbulence that can affect aircraft; 



WordNet (r) 3.0 (2006):

lidar
    n 1: a measuring system that detects and locates objects on the
         same principle as radar but uses light from a laser; a
         potential technology for detecting air turbulence that can
         affect aircraft