1. The act of swimming; a gliding motion, like that of one swimming. B. Jonson.
2. The sound, or air bladder, of a fish.
3. A part of a stream much frequented by fish. [Eng.]
Swim bladder, an air bladder of a fish. To be in the swim, to be in a favored position; to be associated
with others in active affairs. [Colloq.]
(Swim), v. i. [OE. swime dizziness, vertigo, AS. swima; akin to D. zwijm, Icel. svimi dizziness,
svina to subside, svia to abate, G. schwindel dizziness, schwinden to disappear, to dwindle, OHG.
swinan to dwindle. Cf. Squemish, Swindler.] To be dizzy; to have an unsteady or reeling sensation; as,
the head swims.