petaloid adjective. ['pɛt(ǝ)lɔɪd] M18.
[mod. Latin petaloideus, from petalum PETAL noun: see -OID.]
Of the form of or resembling a petal, esp. (Botany) in being of a colour other than green, and leaflike; Zoology designating the curved paired ambulacra of some irregular echinoids.
Also
■ petaloidal adjective L19.

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