Meaning of DAGGER in English

DAGGER

[noun] [C] - a short pointed knife which is sharp on both sides, used esp. in the past as a weaponIn Shakespeare's 'Romeo and Juliet', when Juliet finds that Romeo is dead, she kills herself with his dagger.If two people, countries, etc. are at daggers drawn, they are in a state of extreme unfriendliness and do not trust each other.The two sides have been at daggers drawn for some months now with no sign of improvement in relations.

Cambridge English vocab.      Кембриджский английский словарь.