from The Century Dictionary.

  • noun An instrument used in determining the apparent velocity and the direction of motion of clouds.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Meteorol.) An instrument for observing the clouds and their velocity.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun An instrument for determining the direction of and angular velocity of clouds.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a measuring instrument that uses a grid for measuring the altitude, direction, and velocity of movement of clouds


Sorry, no etymologies found.


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