n.[C]

1. 短剑，匕首
2. 【印】（用以引起读者注意的）剑号
   A dagger is a sign used in printing to draw the reader's attention to something.

   剑号是印刷中的一种符号，用来引起读者对某一点的注意。

3. 敌意[P]
   She looked daggers at him.

   她对他怒目而视。

vt.

1. 用短剑刺
2. 用剑号标明

n.

1. a short knife with a pointed and edged blade, used as a weapon.
2. Printing  another term for obelus.