\Chron"o*graph\, n. [Gr. ? time + -graph: cf. F.
chronographe.]
1. An instrument for measuring or recording intervals of
   time, upon a revolving drum or strip of paper moved by
   clockwork. The action of the stylus or pen is controlled
   by electricity.
2. Same as {Chronogram}, 1. [R.]
3. A chronoscope.