intransitive verb
Definition: To move through water using your arms and legs, or fins, in a way that allows you to stay afloat and propel yourself forward.
Example: I love to swim in the ocean during the summer.
noun
Definition: A period of time spent moving through water using your arms and legs.
Example: I went for a swim in the lake this afternoon.
transitive verb
Definition: To move through water by using your arms and legs, or to make something float in water.
Example: He can swim across the lake in just a few minutes.