The term 'floating on water' can be summarized by the 6-letter word 'NATANT'. This term is used to describe an object or organism that is floating on the surface of a body of water. It is derived from the Latin verb 'natare', which means 'to swim'. This term is commonly used in the fields of biology and zoology to describe aquatic animals and plants that are able to remain afloat on the surface of the water.