a lever with two arms having a common fulcrum at their junction
bell crank in American English
noun
Machinery
a lever or rocker having two arms meeting at a pivot at a right angle, used for transmitting motion between two parts meeting at an angle
Derived forms
bell-cranked
adjective
Word origin
[1880–85]This word is first recorded in the period 1880–85. Other words that entered Englishat around the same time include: barnstorm, impressionism, interface, jackpot, pari-mutuel