enrockment
En*rock"ment, n. Etym: [Pref. en- + rock.] Defn: A mass of large stones thrown into water at random to form bases of piers, breakwaters, etc.
En*rock"ment, n. Etym: [Pref. en- + rock.] Defn: A mass of large stones thrown into water at random to form bases of piers, breakwaters, etc.