Definify.com
Webster 1913 Edition
Cyclostyle
Cy′clo-style
(s?′kl?-st?l)
, Noun.
 [
Cyclo 
+ style
.] A contrivance for producing manifold copies of writing or drawing. The writing or drawing is done with a style carrying a small wheel at the end which makes minute punctures in the paper, thus converting it into a stencil. Copies are transferred with an inked roller. 
Definition 2025
cyclostyle
cyclostyle
English
Noun
cyclostyle (plural cyclostyles)
- (architecture) A circular group of columns without a core.
 - A device used to make copies of a drawing or writing, via small punctures made in the outline
 
Derived terms
Verb
cyclostyle (third-person singular simple present cyclostyles, present participle cyclostyling, simple past and past participle cyclostyled)
- To use such a wheel and puncture device to make copies.
 
References
- cyclostyle in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
 - "CYCLOSTYLE", in Encyclopedia Britannica, 1911 edition.
 - (etymology) "cyclostyle", in Encarta® World English Dictionary, North American Edition.