a golfer who is putting
"The lead golfer stepped up to the green and began his final putt to win the match."
the iron normally used on the putting green
"He carefully lined up his shot, knowing that precision was key when using his putter on the green."
One who puts or places.
"After struggling to sink his birdie on the green, he finally reached into his bag and pulled out his putter to make a gentle stroke."
A golf club specifically intended for a putt.
do random, unplanned work or activities or spend time idly
"The old lady is usually mucking about in her little house"
move around aimlessly
"After waiting for his friends, he decided to just putter around the park until they arrived."
To be active, but not excessively busy, at a task or a series of tasks.
"The old lawnmower began to putter as it struggled up the steep hill, emitting a series of erratic pops and sputters before finally dying out completely."
To produce intermittent bursts of sound in the course of operating.
This word is a variation of "potter," originally referring to someone who makes pots. It was later adopted to describe the golf club used for short shots.