Stiletto U.S. V-42 stiletto, while in American English usage, the name "stiletto" can also refer to a switchblade knife with a stiletto- or bayonet-type blade design. The term in plural "stilettos", is also used as slang for a long, thin, high heel (stiletto heel) for certain boots and shoes, usually worn by women. First developed in Italy, the stiletto dates from the late 15th century, and is thought to be a development of the rondel dagger or "misericordia", a needle-pointed weapon with a narrow blade designed primarily for thrusting, though possessing cutting edges. Early stilettos normally used a one-piece cast-metal handle
Name-bearing type In contrast, a subjective synonym is based on a different name-bearing type, but is regarded as representing the same taxon; for example, the name "Viverra touan" Shaw, 1800, is based on a different name-bearing type (a specimen in the Field Museum of Natural History), but is currently regarded as representing the same species as "Didelphis brevicaudata" and "Didelphys brachyuros". "Family-group" ranks include the superfamily and all other ranks below it and above the genus, including the family and tribe. The name of a family-group taxon is based on the stem of the type genus, its name-bearing type; for example, the