Pronunciation: (sē'wā"), [key]
1. a way over the sea.
2. the open sea.
3. the progress of a ship through the waves.
4. a more or less rough sea: a hard vessel to steer in a seaway.
5. a canal, enlarged river, etc., giving access to a landlocked port by oceangoing vessels.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.