Origin: 1325–75;Middle English < Anglo-French, variant of Old Frenchcisel < Vulgar Latin*cīsellus, diminutive of *cīsus, for Latincaesus, past participle of caedere to cut, with -ī- generalized from prefixed derivatives; cf. excide
a. a hand tool for working wood, consisting of a flat steel blade with a cutting edge attached to a handle of wood, plastic, etc. It is either struck with a mallet or used by hand
b. a similar tool without a handle for working stone or metal
—vb , -els, -elling, -elled, -els, -eling, -eled
2.
to carve (wood, stone, metal, etc) or form (an engraving, statue, etc) with or as with a chisel
3.
slang to cheat or obtain by cheating
[C14: via Old French, from Vulgar Latin cīsellus (unattested), from Latin caesus cut, from caedere to cut]
1323, from O.Fr. cisel, from V.L. *cisellum "cutting tool," from L. caesellum, dim. of caesus pp. of caedere "to cut" (see concise). Slang sense of "to cheat, defraud" is first recorded in 1808 as chizzel; origin and connection to the older word are obscure.
language An extension of C for VLSI design, implemented as a C preprocessor. It produces CIF as output. ["CHISEL - An Extension to the Programming language C for VLSI Layout", K. Karplus, PHD Thesis, Stanford U, 1982]. (2006-09-19)