crenelation
[`krɛnl.'eʃən]
n. 枪, 枪程, 雉堞



crenelation
[ noun ]

1. a rampart built around the top of a castle with regular gaps for firing arrows or guns

<noun.artifact>

2. the action of constructing ramparts with gaps for firing guns or arrows

<noun.act>

Crenelation \Cren`el*a"tion\ (-?"sh?n), n.
The act of crenelating, or the state of being crenelated; an
indentation or an embrasure. [Written also {crenellation}.]