鎧・甲|よろいyoroi[0]heiban (flat)

1. nounarmor; armour
   そこで、旅たびをするときは、私は鎧よろいをつけることはしません。↗

   When I travel, I don't wear armor.

• Synonym甲冑かっちゅうWrittenCollective term for armor plus helmet; written/formal, seen in historical and museum descriptions. 「鎧」 usually means body armor and is the everyday word.
• Synonym具足ぐそくWrittenHistorical term for a full suit of armor; it can also mean completeness. 「鎧」 is the everyday general term and more common.
• Related兜かぶとNeutralHelmet protecting the head; paired with 「鎧」 as warrior gear and not interchangeable — 「鎧」 covers the torso.

For body armor, 「鎧」 is the default everyday word. Use 「兜」 for the helmet — the two are paired gear, not interchangeable. 「甲冑」 is a written term for armor and helmet together, and 「具足」 a historical word for a full suit.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 戦たたかいのときに身みを守まもるため、金属きんぞくや革かわで作つくった防具ぼうぐ。