SINCE 1828
Kaffir boom
noun
\ -ˌbōm, -ˌbüm\
variants:
or kaffir boom
Definition of Kaffir boom
Africa
: coral tree
especially
: a coral tree (Erythrina caffra) with scarlet flowers and light soft wood sometimes used for fence posts or shingles
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Merriam-Webster unabridged
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