castellation

About 0.01 uses per million words.

Meaning

1. noun The act or process of making a building into a castle.
2. noun The addition of battlements to a building, as for example when a feudal manor house needed fortification against border-raider attacks.
3. noun Any of a set of slots or grooves in an object, often machined into a metal part, as for example on a castellated nut.

Similar words

building constructing construction cementation knighting crownment enclavement coronation housing escalade

Often followed by

and is of in