chronograph

Definition of Chronograph in English :

1. chronograph

an accurate timer for recording time

WordNet Lexical Database for English. Princeton University. 2010.

Chronograph

noun

1.

an accurate instrument for recording small intervals of time

2.

any timepiece, esp a wristwatch designed for maximum accuracy

noun

any of various instruments, as a stopwatch, for measuring and recording brief, precisely spaced intervals of time

n.

An instrument that registers or graphically records time intervals such as the duration of an event.