CRENELLATIONS
Scrabble letter values: C3R1E1N1E1L1L1A1T1I1O1N1S1 = 15
Definition
CRENELLATIONS is the plural of CRENELLATION.
noun CRENELLATION: a rampart built around the top of a castle with regular gaps for firing arrows or guns.
Synonyms of CRENELLATION: battlement, crenelation