| SHOAL | Sandbank or reef visible at low tide; or, an aggregation of herrings, pilchards, sardines or other fish swimming together (5) |
| GRAVEL | Word used to mean perplex or puzzle; or, an aggregation of grit (6) |
| LAGOON | A stretch of salt water separated from the sea by a low sandbank or reef (6) |
| SANDBAR | Shoal in a river or coastal waters formed by waves and currents, often visible at low tide (7) |
| CAN | A vessel for preserved comestibles such as anchovies, baked beans, olives, peaches, pop or sardines; or, a short word for a spouted vessel with a nozzle/rose for watering plants (3) |
| TIN | Container for sardines or Altoids |
| FISH | Salmon sardine or sea bass |
| GROUP | An aggregation of galaxies; a band of musicians; or, a combination of figures forming a design (5) |
| CLUSTER | Aggregation of stars/galaxies; group of consonants; an ensemble of bound atoms; a bunch of grapes; or, a network of computers (7) |
| NATION | What is an aggregation of persons of the same ethnic family (6) |
| LEK | An aggregation of male animals gathered to engage in competitive displays and courtship rituals |
| CLUSTERS | Aggregations of galaxies or bound atoms/molecules; bunches of grapes; groups of consonants; or, networks of computers (8) |
| BARS | Oblong blocks of chocolate, gold or soap; counters in pubs; heating elements in electric fires; sandbanks or shoals; or, bands of colour/light (4) |
| SHELF | A ledge of rock; a submarine terrace; a sandbank; or, one of the horizontal planks in a bookcase (5) |
| FLOW | Rise of a tide; or, a steady stream of people or words (4) |
| SURF | The waves or swell of the sea breaking on the shore or reef |
| NERVECENTRE | Aggregation of neurons forming principal source of control of complex activity (5-6) |
| REEFS | Horizontal strips of sails that can be furled and secured with double knots; sandbanks or shoals; or, in gold mining, veins of auriferous quartz (5) |
| BAR | Counter in a pub; or, another word for a sandbank or shoal (3) |
| CAY | Low insular bank or reef of coral |