| Main Entry: | pruno |
| Part of Speech: | n |
| Definition: | an alcoholic wine-like drink made by prison inmates |
| Etymology: | 1936; prune + o |
| Usage: | U.S. slang |
| pruno | |
noun | |
| a liquor concocted from a mixture of ingredients (such as prunes and raisins and milk and sugar) that can be fermented to produce alcohol; made by prison inmates |