From Longman Dictionary of Contemporary Englishtranchetranche /trɑːnʃ/ noun [countable] technical part of a larger sum of money or group of shares The second tranche of the loan would be repaid over three years.From Longman Business Dictionarytranchetranche /trɑːnʃ/ noun [countable]FINANCE part of a larger sum of money or collection of sharesThe government has traded 200 million Eurobonds in two tranches.The second tranche of the loan would be repaid over three years.