noun A person or thing that floats. (There were blue and brown butterflies wider than my hands side-by-side, black butterflies with dazzling yellow stripes, magnificent azure and green-winged floaters gliding on the humid air.) A person who frequently changes occupation or residence. A worker who is required to do a variety of tasks as the need for each arises. (A floater was present in each classroom during the administration of the questionnaires to answer individual questions.) An insurance policy covering loss of articles without specifying a location.