Is “Swimmer” a Scrabble word?
Yes
SWIMMER
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Swimmer
/ˈswɪm.ə(ɹ)/
noun
1.One who swims.
2.A protuberance on the leg of a horse.
3.A webfooted aquatic bird.