noun
mass noun
1a fine, fibrous cotton-like substance which grows around the seeds of the ceiba tree, used as stuffing for cushions, soft toys, etc.
木棉（一种精细的棉花状纤维, 生长于吉贝树种子的四周, 用作软垫及软体玩具等中的填料）。
1.1（亦作
kapok tree）another term for
CEIBA.
词源
mid 18th cent.: from Malay kapuk.