Japanese chainmail armour, used by the samurai class and their retainers in feudal Japan.

Kyūjitai form of 鎖国 (“national isolation”)

the lock and key for a gate

to close and lock a gate

adder (viper)

a chain with a weight on one or both ends, such as might be used on a pulley to help lift loads / (weaponry) a Japanese martial arts chain weapon, consisting of or based on such a weighted chain

chainsaw

illegitimacy (being born out of wedlock)

a privately-owned ricefield, especially one under the historical 律令 (Ritsuryō) system

Kyūjitai form of 私鉄 (“private railway”)