Synonym for goniometer ... 1. An instrument for measuring angles. ... 2. An appliance for the static test of labyrinthine disease, which consists of a plank, one end of which may be raised to any desired height; as one end of the plank is gradually raised, the point at which a patient loses balance is noted. ... 3. A calibrated device designed to m... Found on http://www.encyclo.co.uk/local/20973