pinsetter

1 6.5

A machine or person that puts bowling pins back in their places

noun
/ˈpɪnˌsɛtər/

: colocador de bolos

In the bowling tournament, an automatic pinsetter ensured that the pins were perfectly arranged for each frame.
automatic pinsetters

Examples

At the end of the lane, the pinsetter quickly reset the pins after every strike, keeping the game moving smoothly.
The pinsetter came down on him.

The Deer Hunter (1978)
You're a fucking pinsetter, Parker!

Parker (2013)
Goddamn pinsetter.

The Deer Hunter (1978)
The local bowling alley had recently converted from using pin boys to pinsetters, which allowed the bowlers to enjoy the game without interruptions.

Surface Forms

pinsetter singular

pinsetters plural

Morphology

pinsetter = pin + setter (transparent) = pin + setter

A straightforward compound of 'pin' + 'setter' (agent noun), meaning a person or machine that sets pins, which is directly inferable from its parts.

Etymology

The word pinsetter is a simple compound of pin and setter, where set means 'to place'. So a pinsetter is someone or something that 'places' the bowling pins in the right spots, which is why it means the machine or person who arranges the pins for the next frame.