[ mɪ'məʊzə , -sə ]
■ noun
1》 an Australian acacia tree with delicate fern-like leaves and yellow flowers. [ Acacia dealbata .]
2》 a plant of a genus that includes the sensitive plant. [Genus Mimosa .]
3》 N. Amer. a drink of champagne and orange juice.
Origin
mod. L., appar. from L. mimus 'mime' (because the plant seemingly mimics the sensitivity of an animal) + the feminine suffix -osa .