'Pricker' definitions:

Definition of 'pricker'

From: WordNet
noun
A small sharp-pointed tip resembling a spike on a stem or leaf [syn: spine, thorn, prickle, pricker, sticker, spikelet]
noun
An awl for making small holes for brads or small screws [syn: bradawl, pricker]

Definition of 'Pricker'

From: GCIDE
  • Pricker \Prick"er\, n.
  • 1. One who, or that which, pricks; a pointed instrument; a sharp point; a prickle. [1913 Webster]
  • 2. One who spurs forward; a light horseman. [1913 Webster]
  • The prickers, who rode foremost, . . . halted. --Sir W. Scott. [1913 Webster]
  • 3. A priming wire; a priming needle, -- used in blasting and gunnery. --Knight. [1913 Webster]
  • 4. (Naut.) A small marline spike having generally a wooden handle, -- used in sailmaking. --R. H. Dana, Ir. [1913 Webster]