| CHOKE | Valve in a carburettor; or, the inedible mass at the centre of a thistle used as a vegetable (5) |
| CHEESE | Food loved by turophiles, aged by affineurs and sold in fromageries; or, the receptacle of a thistle-head (6) |
| GOVERNOR | A carburettor component for the head of state (8) |
| WEBER | What name is shared by a unit of magnetic flux and a popular make of carburettor? (5) |
| CORER | Device for removing the inedible centre of an apple (5) |
| SHELL | She gets £50 for just the inedible part! (5) |
| MOUSSE | Bubbly mass at the top of a coupe or flute of champagne; or, a marquise-like pudding (6) |
| CORED | Removed the inedible part from |
| SPINY | like a thistle |
| PAINTEDLADY | Name, with an onus on multicolouredness, as if brushed or dipped in a palette of pigments, for a thistle butterfly, a tattooed woman, a scarlet "prairie-fire" American wildflower or a variegated gladi |
| MAPLE | Tree is full with the mass at its head |
| DIODE | Valve in an electrical circuit (5) |
| MATHS | Discipline mass at high school (5) |
| DUOMO | Two singers leading mass at old cathedral |
| THUNDERHEAD | Rounded projecting mass at the top of a cumulonimbus cloud, typically portending a storm (11) |
| CARDOON | A thistle-like plant related to the globe artichoke, with leaves used as a vegetable |
| OMENTUM | Force to reduce mass at the top, or is it in the stomach? (7) |
| HAIR | Rooted in "bristle", a capillaceous barnet one shampoos to keep it as squeaky as a whistle and conditions to prevent it resembling a thistle (4) |
| TONSIL | Lymphatic tissue mass at the rear edge of the pharynx (6) |
| ISLAND | Large land mass at the entrance to Hudson Bay. Canada that houses the settlement Coral Harbour (6) |