Castellation

noun

Definitions

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

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