— navigability, navigableness , n. — navigably , adv.
/nav"i geuh beuhl/ , adj.
1. deep and wide enough to provide passage to ships: a navigable channel.
2. capable of being steered or guided, as a ship, aircraft, or missile.
[ 1520-30; navigabilis, equiv. to naviga ( re ) to sail (see NAVIGATE) + -bilis -BLE ]