The Collaborative International Dictionary
Operameter
Operameter \Op`er*am"e*ter\, n. [L. opus, operis, pl. opera work
+ -meter.]
An instrument or machine for measuring work done, especially
for ascertaining the number of rotations made by a machine or
wheel in manufacturing cloth; a counter.
--Ure.
Wiktionary
operameter
n. (context archaic English) An instrument or machine for measuring work done, especially the number of rotations by a machine or wheel in manufacturing cloth.