kapok /ˈkeɪpɒk 
/ ▸ noun [mass noun] a fine, fibrous substance like cotton that grows around the seeds of the ceiba tree, used as stuffing for cushions, soft toys, etc.. ▪ (also kapok tree) another term for ceiba – ORIGIN mid 18th century: from Malay kapuk.
EnglishOxford Dictionary of English
