cren·el·late I. transitive verb alsocren·el·ate\ˈkrenəlˌāt, usu -ād.+V\ (-ed/-ing/-s) Etymology:crenel (I) + -ate (vb. suffix) : to furnish (as a wall or a manor house) with battlements : castellate II. adjective orcrenelate\“, -_lə̇t\ Etymology:crenel (I) + -ate (adjective suffix) : crenellated