- [countable, uncountable]
a plant with leaves that are sensitive to touch and light 含羞草；银莉；白粉金合欢 - [countable, uncountable]
an Australian tree with balls of yellow flowers 含羞草；银莉；白粉金合欢 - (North American English) (British English Buck’s Fizz)[countable]
an alcoholic drink made by mixing sparkling white wine (= with bubbles) with orange juice 巴克泡腾酒（发泡白葡萄酒与橙汁调合而成）
Word Originmodern Latin, apparently from Latin mimus ‘mime’ (because the plant seemingly mimics the sensitivity of an animal) + the feminine suffix -osa.