seashellseashell /ˈsiːʃel/ noun [countable] 
the empty shell of a small sea creature小型海洋生物的空壳la concha vacía de un pequeño animal marinoa concha vazia de um pequeno animal marinho小さな海の生き物の空の貝殻작은 바다 생물의 빈 껍데기: 
jewelry made out of seashells用贝壳制成的珠宝joyería hecha con conchas marinasjoias feitas com conchas marinhas貝殻で作ったアクセサリー조개껍데기로 만든 장신구
the empty shell of a small sea creature小型海洋生物的空壳la concha vacía de un pequeño animal marinoa concha vazia de um pequeno animal marinho小さな海の生き物の空の貝殻작은 바다 생물의 빈 껍데기: jewelry made out of seashells用贝壳制成的珠宝joyería hecha con conchas marinasjoias feitas com conchas marinhas貝殻で作ったアクセサリー조개껍데기로 만든 장신구