Real Dictionary

violet
colour: Something that is violet is a bluish-purple colour.
countable noun: A violet is a small plant that has purple or white flowers in the spring.

Violet in American English
a feminine name: dim. Vi
any of a genus (Viola) of plants of the violet family, having white, blue, purple, or yellow irregular flowers with short spurs
designating a family (Violaceae, order Violales) of temperate and tropical dicotyledonous plants having five-parted flowers, a one-celled ovary, and a three-valved fruit capsule, including the pansies
adjective: of the color violet; reddish-blue
noun: a female given name
noun: any chiefly low, stemless or leafy-stemmed plant of the genus Viola, having purple, blue, yellow, white, or variegated flowers

violet in British English
noun: any of various temperate perennial herbaceous plants of the violaceous genus Viola, such as V. odorata (sweet (or garden) violet), typically having mauve or bluish flowers with irregular showy petals