kapok tree UK /ˈkeɪpɒk tɹiː/US /ˈkeɪˌpɑk tɹi/ noun5 •Ceiba pentandra, a tree of the tropical Americas and west-central Africa, with white flowers, cultivated in south-east Asia for its seed fibre.Right smack in the middle of the village is a huge kapok tree, which is where they get together and have their market every fifth day. — 1998 •The silk-cotton tree (Bombax ceiba), an Asian tree with red flowers.The coastal morning glory was left to creep up a bamboo pole that leaned against the kapok tree. — 2015 •Two trees with yellow flowers native to northern Australia and Papua New Guinea. •Cochlospermum gillivraei •Cochlospermum fraseri formskapok trees