'Chronograph' definitions:

Definition of 'chronograph'

From: WordNet
noun
An accurate timer for recording time

Definition of 'Chronograph'

From: GCIDE
  • Chronograph \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. [1913 Webster]
  • 2. Same as Chronogram, 1. [R.] [1913 Webster]
  • 3. A chronoscope. [1913 Webster]