Phrenograph

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Phrenograph \Phre"no*graph\ (fr[=e]"n[-o]*gr[.a]f), n. [Gr.
     frh`n, freno`s, the midriff + -graph.] (Physiol.)
     An instrument for registering the movements of the diaphragm,
     or midriff, in respiration.
     [1913 Webster]