jackhammer


jackhammer

noun

  1. a portable drill operated by compressed air and used to drill rock, break up pavement, etc.

noun

  1. a hand-held hammer drill, driven by compressed air, for drilling rocks, etc
n.

also jack hammer, 1903, from jack (n.) + hammer (n.). As a verb by 1965.

Leave a Reply

Your email address will not be published. Required fields are marked *

45 queries 1.473