■ noun
1》 a person or thing that skims.
2》 a long-winged seabird which feeds by skimming over the water surface with its knife-like lower mandible immersed. [Genus Rynchops : three species.]
3》 North American term for darter (in sense 3).
4》 chiefly N. Amer. a flat broad-brimmed straw hat.
Origin
ME: from OFr. escumoir , from escumer 'skim', from escume 'scum'.