| RUMEN | First compartment of a ruminant's stomach (5) |
| OMASUM | Third compartment of a ruminant's stomach |
| TRIPE | Parts of a ruminant's stomach prepared as food (5) |
| ABOMASUM | Fourth chamber of a ruminant's stomach (8) |
| BIBLE | Book that's the ultimate authority on a ruminant's stomach (5) |
| PANEL | A saddlecloth; a slip of parchment listing jurors' names, hence a jury; a compartment of a door; a board for an oil painting; or, a section of a fence (5) |
| AISLE | A wing of a church separated from the nave by piers; a passageway in a supermarket or between rows of seats; or, a compartment of a timber-framed barn divided from the main body of the building by pos |
| GLOVE | Either one of a pair of mitts traditionally placed in the box-like compartment of a motor car's dash (5) |
| PAUNCH | Alternative name for the rumen, the first and largest compartment of a ruminant mammal's stomach (6) |
| RETICULUM | Second compartment of a ruminant mammal's stomach, located between the rumen and omasum (psalterium) (9) |
| OMASA | Ruminants' stomachs like a second going over |
| OMASAL | Lamb's heart also complex, like a ruminant's stomach |
| COUPE | End compartment of a railway carriage with seats on one side only (5) |
| TRUNK | Rear storage compartment of a car |
| CELLS | What are the compartments of a honeycomb? (5) |
| POD | A gam of dolphins or whales; a passenger compartment of a Ferris wheel; or, a net for catching eels (3) |
| BAYONET | Sticker finally put on first compartment |
| CAPSULE | Small gelatinous case enclosing a dose of medicine / detachable compartment of a spacecraft |
| PLUG | Bung for a sink or basin; or, a seedling grown in an individual compartment of a tray (4) |
| CAR | Passenger compartment of a cableway; or, the cab of a lift (3) |
