pin wrench
noun
a wrench having a pin for insertion into the heads of certain bolts to drive them.
Compare spanner(def 2).
Words nearby pin wrench
pin seal,
pin someone's ears back,
pin spot,
pin the tail on the donkey,
pin tuck,
pin wrench,
pin-curl,
pin-eyed,
pin-spot,
pin-tailed,
pin-up
British Dictionary definitions for pin wrench
pin wrench
noun
a wrench fitted with a cylindrical pin that registers in a hole in the part to be rotated, used to improve the application of the turning moment