NOUN (1)

1. a writing implement with a small toothed wheel that cuts small holes in a stencil;


VERB (1)

1. print with an implement with small toothed wheels that cuts small holes in a stencil;

The Collaborative International Dictionary of English v.0.48:

Cyclostyle \Cy"clo*style\ (s?"kl?-st?l), n. [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.
   [1913 Webster]

WordNet (r) 3.0 (2006):

cyclostyle
    n 1: a writing implement with a small toothed wheel that cuts
         small holes in a stencil
    v 1: print with an implement with small toothed wheels that cuts
         small holes in a stencil