Search Result for "nephoscope": 
Wordnet 3.0

NOUN (1)

1. a measuring instrument that uses a grid for measuring the altitude, direction, and velocity of movement of clouds; 



The Collaborative International Dictionary of English v.0.48:

Nephoscope \Neph"o*scope\, n. [Gr. ne`fos a cloud + -scope.]
   (Meteorol.)
   An instrument for observing the clouds and their velocity.
   [1913 Webster] Nephralgia


WordNet (r) 3.0 (2006):

nephoscope
    n 1: a measuring instrument that uses a grid for measuring the
         altitude, direction, and velocity of movement of clouds