海 ㄏㄞ ˇ hǎi 绵 ㄇㄧㄢ ˊ mián 海 ㄏㄞ ˇ hǎi 綿 ㄇㄧㄢ ˊ mián sponge (zoology) sponge (piece of absorbent material, either natural or made from plastic etc) foam rubber