| DUTY | An obligation; a measure of an engine's efficiency; playground supervision; or, a quantity of water needed to irrigate an area of crops (4) |
| TIE | A fastening such as a bow, dressing-gown cord, four-in-hand, knot, ribbon, shoelace or string; an obligation; a bond; equality in score, aka a draw; or, a slur connecting two musical notes (3) |
| BURST | Hard gallop; salvo; sudden display of speed, sunshine or laughter; or, a measure of an envelope's strength (5) |
| SUPERCHARGER | Device improving an engine's efficiency |
| THROTTLE | Choke? It regulates flow of an engine's fuel/air mixture (8) |
| RADIATOR | Grille forming part of an engine's cooling system |
| ECONOMY | Measure of engine efficiency, fuel ... |
| TAKE | A scene or version of a shot filmed at one time; a sequence of recorded music; a capture of a chess piece; a catch of a ball; or, a quantity of copy given to a compositor (4) |
| PACK | A bundle or load carried on the back of a donkey, for example; a hot or cold compress for an injury; or, a quantity of food in a wrapper (4) |
| WASH | Coat of diluted ink or watercolour applied to paper with a long sweep of a brush; alluvium; dialect for 10 strikes of oysters; or, a quantity of clothes for the laundry (4) |
| PIECE | A coin; a chessman other than a pawn; a musical composition; or, a quantity of cloth or wallpaper (5) |
| SHEAF | Bundle of reaped ears of wheat or other grain stalks; or, a quantity of typically 24 arrows contained within a quiver (5) |
| HAUL | Number of fish caught or of medals won; distance covered; or, a quantity of stolen goods (4) |
| PICK | Plectrum; the best of the bunch; dialect for a diamond in cards; or, a quantity of harvested crop (4) |
| SUM | The total/whole; the result of addition; or, a quantity of money (3) |
| SUGAR | Vegetable without a quantity of water rejected for something sweet (5) |
| BROOK | Tolerate a quantity of water (5) |
| OCEAN | Once swam around a quantity of water (5) |
| HAREBRAINED | Foolish to run a quantity of water into the sack |
| AQUARIST | Tank operator is filling a quantity of water |
