| PORPOISE | A common name for the group of toothed whales making up three genera: Phocoena, Phocoenoides, and Neophocaena. In North America the name is sometimes applied to dolphins. (8) |
| PORPOISES | Proposes to hold in first types of toothed whales |
| RHODES | Island making up three quarters of old country (6) |
| KIT | Set of parts for making up (3) |
| INUIT | What is the name for the group of indigenous peoples inhabiting the Arctic? (5) |
| CETACEAN | A member of the order of aquatic mammals that includes the toothed whales and the baleen whales |
| SPEED | What is a slang name for the group of drugs known as amphetamines? (5) |
| BEAKED | First word of the name describing the group of medium-sized toothed whales that have an extended snout and are classified in the family Ziphiidae. (6) |
| BIGDIPPER | Another name for the group of stars called 'The Plough' (3,6) |
| ABCISLANDS | Acronym or abbreviated name for the group in the Leeward Antilles comprising Aruba, Bonaire and Cura |
| SPERM | The ___ whale is the largest of the toothed whales (5) |
| SPERMWHALE | Also called cachalot, it is the largest of the toothed whales, easily recognized by its enormous square head and narrow lower jaw. (5,5) |
| NARWHALS | Arctic toothed whales with black-spotted whitish skin and, in the males, a long spiral tusk (8) |
| SPROCKET | A wheel-like device with rows of toothed parts that keeps a chain moving on a bicycle (8) |
| ISIS | Another name for the group known as Daesh (4) |
| BLOC | Colby cheese had good returns for the group of businesses ... (4) |
| OCTAD | Some concoct adverts for the group of eight (5) |
| SONNET | A number of numbers written up, three quatrains and a couplet? (6) |
| CHAINSTORE | Dirty task for the Reverend to provide selling point for the group (5,5) |
| DENTS | French for "teeth", used to describe cogs of toothed wheels; slots between wires in looms; slight hollows or dings made by blows or pressure; or, appreciable effects of lessening (5) |
