1 bull-horn acacia | Definition of bull-horn acacia

bull-horn acacia

noun

Definition of bull-horn acacia

: any of several hollow-thorned trees of the genus Acacia especially : a large-thorned chiefly Central American tree (A. cornigera) the thorns of which are inhabited by ants

History and Etymology for bull-horn acacia

so called from the shape of the thorns

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