Yes it is a tornado over the water. However it is easier for a tornado to form over water and is generally smaller and weaker.
Waterspouts are generally not officially counted as tornadoes unless they hit land.
A synonym for waterspout would be tornado.
A tornado is called a waterspout anywhere that it forms on water.
A tornado on water is called a waterspout.
A tornado that forms on a lake or sea is called a waterspout.
waterspout
A tornado on water is called a waterspout.
Usually the term waterspout refers to a tornado on a body of water.
Well, yes and no. If the waterspout comes ashore and hits the beach house, it can destroy it. But if the waterspout comes ashore, it is no longer a waterspout - it is a tornado.
A tornado on a body of water is called a waterspout.
A tornado over water is called a waterspout.
A tornado over a body of water is called a waterspout.
Waterspout is the correct term. If a tornado forms on water by the same mechanisms that it would form on land (i.e. from the mesocyclone of a supercell) it is called a tornadic waterspout.