noun

crenellation

/ˌkrɛnəˈleɪʃən/ · say it: KREN·uh·LAY·shun

the notched battlements along the top of a wall

In Architecture & Design

In more detail

1. (noun) one of the small rectangular notches cut along the top edge of a castle or fortress wall

2. (noun) the pattern of notches and solid sections along the top of a castle wall

Examples

1. Each crenellation provided shelter for an archer defending the castle.
2. The medieval fortress was famous for the distinctive crenellation along its battlements.

How to use crenellation

Crenellation refers to the distinctive defensive architectural feature found on medieval castles and fortifications, consisting of alternating solid sections (merlons) and open spaces (crenels). The term is used both for individual notches and the overall pattern. It appears primarily in historical, architectural, and literary contexts.

Common phrases

crenellated walls
castle crenellation
crenellation pattern
medieval crenellation

Synonyms

battlement · crenel · embrasure · notch

Word family

crenellate (verb) · crenellated (adjective) · crenellation (noun)

A common mistake

Learners sometimes confuse crenellation with battlement, though battlement is the broader term for the entire defensive structure at the top of a wall, while crenellation specifically describes the pattern of notches.

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