1. To be supported by water or other fluid; not to sink; to float; as, any substance will swim, whose specific gravity is less than that of the fluid in which it is immersed. 2. To move progressively in water by means of strokes with the hands and feet, or the fins or the tail. Leap in with me into this angry flood, And swim to yonder point. Shak. 3. To be overflowed or...