Creeper

n.
  1. One who, or that which, creeps; any creeping thing.
  2. (Bot.) A plant that clings by rootlets, or by tendrils, to the ground, or to trees, etc.; as, the Virginia creeper (Ampelopsis quinquefolia).
  3. (Zoöl.) A small bird of the genus Certhia, allied to the wrens. The brown or common European creeper is Certhia familiaris, a variety of which (var. Americana) inhabits America; -- called also tree creeper and creeptree. The American black and white creeper is Mniotilta varia.
  4. A kind of patten mounted on short pieces of iron instead of rings; also, a fixture with iron points worn on a shoe to prevent one from slipping.
  5. A small, low iron, or dog, between the andirons.
  6. Any device for causing material to move steadily from one part of a machine to another, as an apron in a carding machine, or an inner spiral in a grain screen.