Skiff \Skiff\, n. [F. esquif, fr. OHG. skif, G. schiff. See {Ship}.] A small, light boat. The pilot of some small night-foundered skiff. --Milton. {Skiff caterpillar} (Zo["o]l.), the larva of a moth ({Limacodes scapha}); -- so called from its peculiar shape.