Navigable a. : Capable of being navigated; deep enough and wide enough to afford passage to vessels; as, a navigable river.

Example:


Taxonomy
inland water transport, navigable waters, Navigability, transport systems, United States, sea transport, unnavigable, free encyclopedia, water body, inland waterways, National Waterway, India, IWT, the Clean Water Act, inland waterway, maintenance cost, the Netherlands, inland.

Defination from the web:
navigable if it is deep, wide and slow enough for a vessel to pass and there are no ... Shallow rivers may be made navigable by the installation of locks that increase and regulate water depth, or by dredging. ...