An area with sufficient depth of water to permit vessel passage.
able to be sailed on or through safely; "navigable waters"; "a navigable channel"
Capable of being travelled upon by a ship
waterway deep enough and wide enough to afford passage to ships
Capable of being navigated or passed over by ships or vessels.
A waterway is navigable if it has bed and banks, and it is possible to float a canoe or other small craft in the waterway on a regular reoccurring basis - even if only during spring runoff.
wide or deep enough to be traveled on by ships