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WordReference Random House Unabridged Dictionary of American English © 2024pit•tos•po•rum (pi tos′pər əm, pit′ə spôr′əm, -spōr′-),USA pronunciation n. - Plant Biologyany of various shrubs or trees of the genus Pittosporum, native to warm regions of the Old World, many species of which are cultivated as ornamentals for their attractive foliage, flowers, or fruit.
- Neo-Latin, equivalent. to Greek (Attic) pitto- (combining form of pítta, píssa pitch2) + spór(os) seed (see spore) + Neo-Latin -um neuter noun, nominal ending; so called from the resinous coating of the seeds
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