From Longman Business Dictionarygreenshoegreen‧shoe /ˈgriːnʃuː/ noun [uncountable] FINANCE when a financial institution sells all the available shares in a company’s SHARE ISSUE or SECONDARY OFFERING and then sells more, or the number of shares sold in this waySYNOVERALLOTMENTThe issue will raise £20 million, and the greenshoe option, to satisfy extra demand, is likely to increase this to nearly £23 million.
