What is a definition of Pink Rose? What is a Rose?

Definition of pink Rose 

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Of a colour intermediate between red and white, as of coral or salmon. 

Of or associated with homosexuals. Pink color, material, or pigment. The best condition or degree. 

Rose:

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A prickly bush or shrub that typically bears red, pink, yellow, or white fragrant flowers, native to north temperate regions. Numerous hybrids and cultivars have been developed and are widely grown as ornamentals. 

A stylized representation of the flower in heraldry or decorations, typically with five petals (especially as a national emblem of England).

A warm pink or light crimson color. A perforated cap attached to a shower, the spout of a watering can, or the end of a hose to produce a spray.