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language of flowers (e.g. the use of red roses to signify love); floriography
薔薇の花言葉は愛と情熱だ。
The language of roses is love and passion.
花言葉を調べてから花束を選んだ。
I looked up the flower meanings before choosing the bouquet.
その花には多くの国で共通した花言葉がある。
That flower shares the same meaning in the language of flowers across many countries.