fly fishing
US /ˈflaɪ ˌfɪʃ.ɪŋ/
UK /ˈflaɪ ˌfɪʃ.ɪŋ/

1.
a method of fishing in which an artificial fly is cast with a fly rod and a specialized weighted line
:
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He spent his vacation enjoying fly fishing in the mountains.
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Fly fishing requires skill and patience.