Flo'tage noun [ Old French flotage , French flottage , from flotter to float.] 1. The state of floating. 2. That which floats on the sea or in rivers. [ Written also floatage .] Found on http://www.encyclo.co.uk/webster/F/46
an act of floating. · the state of floating. · floating power; buoyancy. · anything that floats; flotsam. · the part of a ship above the water line. Found on https://www.infoplease.com/dictionary/flotage