Definify.com
Webster 1913 Edition
Polygraph
Pol′y-graph
,Noun.
[Gr. [GREEK] writing much;
πολύσ
much, many + [GREEK] to write: cf. F. polygraphe
.] 1.
An instrument for multiplying copies of a writing; a manifold writer; a copying machine.
2.
In bibliography, a collection of different works, either by one or several authors.
Brande & C.
Webster 1828 Edition
Polygraph
POL'YGRAPH
,Noun.