"syringa" in the noun sense
1. mock orange, syringa, Philadelphus coronarius
large hardy shrub with showy and strongly fragrant creamy-white flowers in short terminal racemes
2. Syringa, genus Syringa
genus of Old World shrubs or low trees having fragrant flowers in showy panicles: lilacs
Source: WordNet® (An amazing lexical database of English)
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