variants:
or spiraea
Definition of spirea
1
: any of a genus (Spiraea) of deciduous shrubs of the rose family with small usually white or pink flowers in dense racemes, corymbs, cymes, or panicles
2
: any of several garden plants resembling spireas
especially
: a shrub (Astilbe japonica) of the saxifrage family
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Merriam-Webster unabridged
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Time Traveler for spirea
The first known use of spirea was in 1669
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