Verb (5-dan, く, transitive)
Usually written in kana
1. to flip; to snap; to flick
友達のおでこを指で軽く弾いた。I gave my friend a light flick on the forehead.
2. to repel
彼は剣で攻撃を弾く。He deflects the attack with his sword.
3. to use (an abacus); to calculate
4. to strum; to pluck the strings (of a guitar, etc.)
弦を軽くはじいて音を確かめた。I lightly plucked the string to check the sound.