chainsaw

(medicine) imperforate anus

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

the lock and key for a gate

to close and lock a gate

period drama

a historical period where social disorder is so great due to war, disease, political disorder etc. that there is little or no cultural development; Dark Ages

anachronism

youth (part of life following childhood)

zeitgeist (the spirit of the age)