pinsetter

[ pin-set-er ]
/ ˈpɪnˌsɛt ər /

noun

a mechanical apparatus in a bowling alley that places all of the pins into position at one time and removes pins that have been knocked down.

Origin of pinsetter

First recorded in 1915–20; pin + setter
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019