countershaft

English edit

Etymology edit

counter- +‎ shaft

Noun edit

countershaft (plural countershafts)

Synonym of jackshaft (“mechanical component for rotational force”)

Alternative forms edit

counter shaft

Verb edit

countershaft (third-person singular simple present countershafts, present participle countershafting, simple past and past participle countershafted)

Synonym of jackshaft