| WHIZZBANG | WWI shell a€“ firework (5-4) |
| PORCELAIN | From Italian for "cowrie shell", a white translucent ceramic material with a finish reminiscent of a polished shell; or, chinaware made from this (9) |
| CARTOUCHE | From "paper cornet", a scroll-like carved tablet or border; an oval frame for royal names in Egyptian hieroglyphs; a box for bullets; a paper case holding a firework's combustibles; or, a parchment pa |
| CATHERINE | A - wheel is a firework |
| BOOMHILDA | Name of a firework for witches? |
| SKYROCKET | Shoot up like a firework (9) |
| WHORL | Word for a spindle's flywheel or wharve originally, later a pattern of concentric circles; a single convolution in a spiral shell; a radial arrangement of petals or leaves; or, a gyre or swirl in a fi |
| SLUG | Terrestrial mollusc without a shell; a gulp or pour of liquor; or, a counterfeit coin used unlawfully to operate a slot machine (4) |
| COCKLE | From the French for "shell", a mollusc with heart-shaped shucks; black tourmaline; a furnace, oast or stove; a little boat; or, a codename for a kayak in the Second World War (6) |
| MAROON | From French for "chestnut", a brownish-crimson colour, like the shell of such a conker; or, a firework that makes a loud bang, akin to the noise of a chestnut bursting in a fire (6) |
| JUMPINGJACK | A puppet-like toy figure of a man with limbs moved by a string; a leap in which one assumes a star-like configuration; or, a firework that erratically hops along the ground (7,4) |
| BOMB | From "banging, humming", an explosive "egg" or "pineapple", originally called a shell; a large sum of money; or, an old heap of a car (4) |
| SQUIB | A firework such as a figurative damp example alluding to something that fails to go off with a bang; a lampoon; or, a paltry individual (5) |
| PLASTRON | Underside of a tortoise's shell; a breastplate; or, an ornamental front part of a bodice (8) |
| ESCALOPE | From French for "shell", a culinary term referring to a flattened cutlet of meat, typically breaded and fried in a similar manner to schnitzel (8) |
| PECAN | Ape can't shell a nut (5) |
| HULL | Shell; a port |
| ISOPOD | Is old shell a crustacean? (6) |
| ABALONE | Shell a British capital only (7) |
| BOMBAST | Shell a street, showing pomposity (7) |
