Hurdle maker's twybill
Stone twibill several millennia old
Gymnasium scene about 490 BCE, showing mattock used for loosening soil in the jumping pit

Alternative formsEdit


From Middle English twibill, from Old English twibill, from twī- (double) + bill (edge, blade), see also billhook.


twibill (plural twibills)

  1. An axe with two cutting blades.
  2. A mattock.
  3. A double-bladed tool used in gate-type hurdle-making for cutting out mortices, with a flat chisel and a mortice chisel or hook, similar to the much larger French carpenter's tool, the besaiguë (or bisaiguë).
  4. (obsolete) A double-bladed halberd or battle-axe.

Further readingEdit