twibill (suomeksi)

Määritelmät:

An axe with two cutting blades.
A mattock.
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 (m, fr, besaiguë) (or (m, fr, bisaiguë)).
(lb, en, obsolete) A double-bladed halberd or battle-axe.