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bombacaceous

American  
[bom-buh-key-shuhs] / ˌbɒm bəˈkeɪ ʃəs /

adjective

  1. belonging to the Bombacaceae, the bombax family of plants.


bombacaceous British  
/ ˌbɒmbəˈkeɪʃəs /

adjective

  1. of, relating to, or belonging to the Bombacaceae , a family of tropical trees, including the kapok tree and baobab, that have very thick stems, often with water-storing tissue

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of bombacaceous

1860–65; < New Latin Bombacace ( ae ) name of the family ( bombax family, -aceae ) + -ous