
1) Chinese sword
Found on
https://www.crosswordclues.com/clue/piandao

The Piandao (片刀) is a type of Chinese sabre (dao) used during the late Ming Dynasty. A deeply curved dao meant for slashing and draw-cutting, it bore a strong resemblance to the shamshir and scimitar. A fairly uncommon weapon, it was generally used by skirmishers in conjunction with a shield. ...
Found on
http://en.wikipedia.org/wiki/Piandao
No exact match found.