›to cancel the effect of an increase or fall in something such as an amount of debt, the price of shares, etc.: erase a deficit/debt/lossTo erase the budget deficit through cuts alone would mean extreme measures such as shutting prisons and college campuses.erase a profit/gain
›to remove information or data from the place where it was stored: erase sth from sthFraudulent accounts had been erased from the records.All personal data is securely erased in accordance with our data protection policy.