| SMITHSONIANINSTITUTION | Group of museums informally called "America's attic" |
| SMITHSONIAN | Group of museums, education and research centre in Washington DC, nicknamed the 'nation's attic' (11) |
| RIPLEYS | Classic Sunday newspaper feature that spawned multiple museums, informally |
| TREXES | Big displays at natural history museums, informally |
| DINO | Exhibit in a natural history museum, informally |
| CURATOR | Museum informally |
| ROAST | A joint of oven-cooked beef or other meat, served in a meal often informally called the same; a particular type of coffee; or, slang for banter (5) |
| IPOMOEA | One of the plant genera informally called "morning glory" |
| ALBERT | Prince Consort of Queen Victoria and organiser with Henry Cole of the 1851 Great Exhibition, after whom an area of museums and cultural sites in London is nicknamed (6) |
| BRIBE | Word, from "lump of bread given to a beggar", that over time changed its meaning from said charitable act to a corrupt act informally called a back-hander, boodle, bung or buy-off (5) |
| ROOK | Corner chess piece informally called the castle |
| HOMERUN | In baseball, it's informally called the Big Fly. (4,3) |
| OCARINA | Egg-shaped wind instrument informally called a sweet potato |
| ETHANOL | The chemical informally called alcohol |
| PICKLEBALL | Sport whose non-volley zone is informally called the kitchen |
| RBI | Sports figure informally called a "ribbie" |
| ELMS | Trees whose spinning fruits are informally called whirlybirds |
| SILLS | Whom "Time" called "America's Queen of Opera" |
| WINGS | Parts of museums |
| CURATORS | People in charge of museums |
