Detailed meaning
[ dāo ]
1.Tools for cutting, cutting, cutting, chopping and chopping, usually made of steel
example:菜刀。镰刀。铡刀。铣刀。一把刀。

2.A weapon used to chop or stab
example:大刀。朴刀。刺刀。

3.Something shaped like a knife
example:冰刀。双刀电闸。

4.A unit of paper, usually one hundred sheets.
5.Family name.