(transitive) To traverse (a specific body of water, or a specific distance) by swimming; or, to utilize a specific swimming stroke; or, to compete in a specific swimming event.
(transitive, uncommon) To cause to swim.
(intransitive) To be overflowed or drenched.
(transitive) To immerse in water to make the lighter parts float.
(transitive, historical) To test (a suspected witch) by throwing into a river; those who floated rather than sinking were deemed to be witches.
(Britain) A part of a stream much frequented by fish.
Abbreviation
(text messaging)Someonewhoisn'tme, used as a way to avoid self-designation or self-incrimination, especially in online drug forums; similar to a friend of mine