贝壳儿 Traditional form: 貝殼兒 Pinyin (reading): bèikér Definitions: erhua variant of 貝殼/贝壳 (bèiké) Characters: 贝 - sea shell; money, currency 壳 - casing, husk, shell 儿 - son, child Traditional characters: 貝 - sea shell; money, currency 殼 - casing, husk, shell 兒 - son, child