plural noun

in some classifications
: a family of herbs comprising all the composites (as ragweeds) that have the flower head subtended by an involucre of separate or united bracts and the stamens separate or merely connivent see compositae

Word History


New Latin, from Ambrosia, type genus + -aceae

First Known Use

1834, in the meaning defined above

Time Traveler
The first known use of Ambrosiaceae was in 1834

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Dictionary Entries Near Ambrosiaceae

Cite this Entry

“Ambrosiaceae.” Dictionary, Merriam-Webster, Accessed 28 May. 2024.

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