Meaning of 一口剣 in Japanese

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Definition of 一口剣

ひとくち(hitokuchi) 【一口 ·ひと口】

(n) mouthful; bite; sip; draft; draught
ライオンはウサギをひと口で食べた。
The lion ate the rabbit in one bite.
one word
一口乗りたがっている人が大勢だ。
Many were eager to get in on the act.

けん(ken) · つるぎ(tsurugi) 【剣 ·劒 ·劍】

(n) sword (originally esp. a doubled-edged sword); sabre; saber; blade
剣を取る者は皆剣で滅びる。
All who take up the sword will perish by the sword.
bayonet
swordsmanship
stinger; ovipositor; dart