Sail v. i. [imp. & p. p. Sailed p. pr. & vb. n. Sailing.]
 1. To be impelled or driven forward by the action of wind upon sails, as a ship on water; to be impelled on a body of water by the action of steam or other power.
 2. To move through or on the water; to swim, as a fish or a water fowl.
 3. To be conveyed in a vessel on water; to pass by water; as, they sailed from London to Canton.
 4. To set sail; to begin a voyage.
 5. To move smoothly through the air; to glide through the air without apparent exertion, as a bird.
 As is a winged messenger of heaven, . . .
 When he bestrides the lazy pacing clouds,
 And sails upon the bosom of the air.   --Shak.