剣は英語で
sword

英語の定義

剣
1. n. a sword, especially one with a double-edged blade
2. n. swordsmanship
3. n. a bayonet
4. n. (entomology) a stinger
5. n. (entomology) an ovipositor
6. n. a 家紋, with varying designs of double-edged blades
7. n. Usage: This term refers to swords in general.
8. n. a sword
9. n. Usage: This term usually refers more specifically to double-edged swords, as opposed to the single-edged 刀.

sword
1. n. (weaponry) A long-bladed weapon with a hilt, and usually a pommel and cross-guard, which is designed to stab, slash, and/or hack.
2. n. (tarot) A suit in the minor arcana in tarot.
3. n. (tarot) A card of this suit.
4. n. (weaving) One of the end bars by which the lay of a hand loom is suspended.
5. n. (heraldry) The weapon, often used as a heraldic charge.