What is the meaning of Kapok?

A silky fibre obtained from seed pods of the silk-cotton tree (Ceiba pentandra) used for insulation and stuffing for mattresses, pillows, etc.

A silk-cotton tree (Ceiba pentandra).

A cotton tree, Malabar silk-cotton tree, or red silk-cotton tree (Bombax ceiba).

the kapok tree or silk-cotton tree (Ceiba pentandra)

the fiber obtained from this tree

kapok

first-person singular indicative present indefinite of kap

kapok (silky fiber obtained from seed pods of the silk-cotton tree (Ceiba pentandra) used for insulation and stuffing for mattresses, pillows, etc.)

life jacket (article of protective clothing that is designed to keep the wearer's head floating above the surface of the water)

kapok (Ceiba pentandra)

the silky fibre obtained from the seed pods of this tree

Source: wiktionary.org