| Noun | 1. | gelt - informal terms for moneyboodle, clams, dinero, kale, lettuce, lolly, lucre, moolah, pelf, shekels, simoleons, wampum, loot, dough, bread, cabbage, sugar, scratch money - the most common medium of exchange; functions as legal tender; "we tried to collect the money he owed us" | |