[ bom-buh-key-shuh s ]
/ ˌbɒm bəˈkeɪ ʃəs /


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

Origin of bombacaceous

1860–65; < New Latin Bombacace(ae) name of the family (see bombax family, -aceae) + -ous Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for bombacaceous

/ (ˌbɒmbəˈkeɪʃəs) /


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

Word Origin for bombacaceous

C19: from New Latin Bombācāceae, from Medieval Latin bombāx cotton, from Latin bombyx silkworm, silk, from Greek bombux
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