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dagger

dagger /ˈdægɚ/ noun
plural daggers
dagger
/ˈdægɚ/
noun
plural daggers
Britannica Dictionary definition of DAGGER
[count]
: a sharp pointed knife that is used as a weapon

at daggers drawn

chiefly British
: angry and ready to fight

look/shoot/stare daggers at

: to look at (someone) in an angry way
see also cloak-and-dagger