- battlement, crenelation, crenellation - a rampart built around the top of a castle with regular gaps for firing arrows or guns
--1 is a kind of rampart, bulwark, wall
--1 is a part of fortress, fort
--1 has parts: crenel, crenelle; merlonDerived form: verb crenellate1 - crenelation, crenellation - the action of constructing rampparts with gaps for firing guns or arrows
--2 is a kind of construction, building
Derived form: verb crenellate1