putter
putter noun
/ˈpʌtə(r)/
(in the game of golf) the type of club that is used for putting (= hitting the ball short distances)
/ˈpʌtə(r)/
/ˈpʌtər/
the puttering of the engine as it reduced speed
Word Origin
verb sense 1 1940s: imitative.
verb sense 2 late 19th cent.: alteration.