[ ta'kɪmɪtə ]
■ noun
1》 a theodolite for the rapid measurement of distances in surveying.
2》 a facility on a watch for measuring speed.
Derivatives
tachymetric adjective
TACHYMETER
Meaning of TACHYMETER in English
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004