| STEP | One of a series of treads forming a "flight"; a short journey or walk; a footprint; or, a portable block used in a form of aerobics (4) |
| SWALLOW | An abyss; a throat; or, a migratory fork-tailed bird known collectively as a flight, a flock or a gulp (7) |
| STAIR | Part of a flight, a case, or a well |
| STAIRCASES | Structures enclosing flights of treads and risers between floors or storeys; or, chains of locks on canals or rivers, appearing as if in steps (10) |
| TRACE | Old word for a path or way taken; a footprint or other sign of passage; or, a side strap of a horse's harness |
| FLIP | A snap with a finger and thumb; a toss/spin of a coin or a pancake; a pleasure-flight; a somersault; or, a nog of beer and spirits, traditionally frothed/heated with a red-hot iron (4) |
| START | Old English "caper, fling, leap, plunge headlong", today a commencement or a sudden movement of surprise; dawn or sunrise; or, the beginning of a journey or a race, perhaps for a prize (5) |
| CHARGER | War horse ridden by a knight, jouster, cavalryman or a lancer; a large plate used as a table setting; or, a portable device for powering a mobile device (7) |
| PUG | An old word for a fox; an informal name for a boxer; an animal's footprint; or, a little carlin with a curled tail and a wrinkled face, whose snorts and snuffles inspired its collective name "grumble" |
| BUZZ | The sound of bees in flight; a telephone call; a whispered report or rumour; or, a sense of euphoria (4) |
| OTTERS | Resting underground in a holt or above ground in a couch/hover, an animal with a waterproof chocolate brown coat, a footprint known as a seal and a tail known as a rudder (6) |
| TRACK | A path, route or way taken; a footprint; a vestige; or, a scarcely detectable amount of rain (5) |
| FUGUE | From "flight", a contrapuntal composition in which a number of parts/voices enter successively in imitation of each other; or, a psychogenic flight from reality (5) |
| STEPPER | A dancer or hoofer; a horse trained to trot with an elevated gait; or, a portable block for aerobics (7) |
| GOAL | One's aim; the finishing point of a journey or race; or, a netted target in football, hockey or other sport (4) |
| MILKRUN | Pertaining to the safe regular round of a dairyman/woman, a term for a routine flight or other uneventful journey or mission (4,3) |
| STICK | Conductor's baton; implement used in hockey; or, a portable holder for one or more candles (5) |
| ROLLER | Tumbler pigeon performing backward somersaults in flight; a hair curler; a heavy cylinder for preparing a cricket pitch; or, a surcingle (6) |
| GOINGGREEN | Reducing one's carbon footprint ... or a hint to this puzzle's theme |
| SEAL | An otter's footprints; or, a piece of wax stamped with a signet (4) |