"putter" in the noun sense
1. putter
a golfer who is putting
2. putter, putting iron
the iron normally used on the putting green
"putter" in the verb sense
1. potter, putter
work lightly
"The old lady is pottering around in the garden"
2. putter, mess around, potter, tinker, monkey, monkey around, muck about, muck around
do random, unplanned work or activities or spend time idly
"The old lady is usually mucking about in her little house"
3. putter, potter, potter around, putter around
move around aimlessly
Source: WordNet® (An amazing lexical database of English)
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