unicorn
noun [ C ] uk/ˈjuː.nɪ.kɔːn/ us/ˈjuː.nɪ.kɔːrn/
(ANIMAL)
（传说中的）独角兽
an imaginary white creature like a horse with a single horn growing from the front of its head
(BUSINESS)
business, finance & economics specialized独角兽（估值超过10亿美元的初创公司）
a start-up (= new business) whose value is considered to be over $1 billion
Compare: decacornhectocorn