Rhysimeter

• (n.) An instrument, acting on the principle of Pitot`s tube, for measuring the velocity of a fluid current, the speed of a ship, etc.
Found on http://thinkexist.com/dictionary/meaning/rhysimeter/

Rhysimeter

Rhy·sim'e·ter noun [ Greek ......... flow + -meter .] An instrument, acting on the principle of Pitot's tube, for measuring the velocity of a fluid current, the speed of a ship, etc.
Found on http://www.encyclo.co.uk/webster/R/78

rhysimeter

instrument for measuring speed of current or watercraft
Found on http://phrontistery.info/r.html
No exact match found