n.

1. 盔甲
2. 潜水服；甲壳；鱼鳞
3. （军舰，战车等的）装甲，防护钢板
4. 装甲部队
5. （动，植物的）保护层
6. 保障
7. 纹章

vt.

1. 为……穿盔甲（或加置装甲）
2. 为……提供防御
3. 使成防弹玻璃

n.

1. the metal coverings formerly worn by soldiers to protect the body in battle.
2. (also armour plate) the tough metal layer covering a military vehicle or ship.
   ▸military vehicles collectively.
3. the protective layer or shell of some animals and plants.