Anemoscope

An anemoscope is a device invented to show the direction of the wind, or to foretell a change of wind direction or weather. Hygroscopic devices, in particular those utilizing catgut, were considered as very good anemoscopes, seldom failing to foretell the shifting of the wind. The ancient anemoscope seems, by Vitruvius`s description of it, to hav....
Found on http://en.wikipedia.org/wiki/Anemoscope

Anemoscope

• (n.) An instrument which shows the direction of the wind; a wind vane; a weathercock; -- usually applied to a contrivance consisting of a vane above, connected in the building with a dial or index with pointers to show the changes of the wind.
Found on http://thinkexist.com/dictionary/meaning/anemoscope/

Anemoscope

A·nem'o·scope noun [ Greek ... wind + - scope: confer French anémoscope .] An instrument which shows the direction of the wind; a wind vane; a weathercock; -- usually applied to a contrivance consisting of a vane above, connected in the building with a dial or index with pointers to show the chan...
Found on http://www.encyclo.co.uk/webster/A/81

Anemoscope

An anemoscope is any contrivance indicating the direction of the wind. The term is generally applied to a vane which turns a spindle descending through the roof to a chamber, where, by means of a compass-card and index, the direction of the wind is shown.
Found on http://www.probertencyclopaedia.com/browse/GA.HTM
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