high roller noun
plural ∼ -ers [count] informal 1 : a rich person who spends a lot of money
▪ a high roller known for his lavish parties 2 : a person who gambles large amounts of money
▪ The casino offers special deals to attract high rollers.
▪ a high roller known for his lavish parties
▪ The casino offers special deals to attract high rollers.
