Keyword
instrument
Info
FrequencyTop 300-400
Type
Kyōiku (4th grade) 
?
Shinjitai ?
KankenLevel 7
Heisig127
Old form器
Readings
き
(90%)
ぎ
(4%)
Composed of
two mouths
large
two mouths
Mnemonic

A dentist holding a drill - a large instrument of pain - with four open mouths around him.

Used in vocabulary (923 in total)
weapon; arms; ordnance; weapon (something used to gain an advantage); asset
skillful; skilful; adroit; clever; shrewd; ingenious
bowl; vessel; container; ability; capacity; calibre
Examples (200 in total)
Knowing things is a weapon.
I didn't even have the luxury of choosing a weapon.
It is not permitted to turn weakness into a weapon.