| DITCH | Narrow trench for irrigation or drainage; informal word for the sea; or, the border of a bowling green (5) |
| CANAL | An artificial waterway constructed for navigation, irrigation or water power (5) |
| FOAM | A poetic word for the sea; or, a porous material used in floristry (4) |
| OCEAN | An expanse of water forming part of Earth's hydrosphere; literary word for the sea; or, any vast quantity (5) |
| ROAR | Sound of a lion, an open fire, the sea or the spectators during "the off" at Cheltenham Festival (4) |
| ASTRONAUTS | Sailors of the stars, rather than the sea or the sky, whose name was actually coined in sci-fi (10) |
| SALT | Seasoning from the sea or the Himalayas |
| RESIDES | Dwells...or the borders of 17-, 23-, 47- and 58-Across? |
| SCAPE | The cry of a snipe when flushed; the snipe itself; an old word for a getaway, slip or transgression; a suffix indicating a scene, as in land, moon or sea; or, the leafless flower stem of the amaryllis |
| TUBE | Informal word for the London Underground; or, a flexible container for toothpaste or a rigid one for Smarties, for example (4) |
| LANE | A narrow rural road between hedges, thus a division of a bowling alley, running track or swimming pool for a single player/competitor; or, a Scots word for "alone" (4) |
| MAC | A trench for a flasher or coat for a pluviophilous precipitation devotee; or, a brand/type of Apple Inc PC (3) |
| PREP | Short or informal word for the "homework" perhaps bridging the gap between tea/supper and bedtime for a British school boarder; or, the preliminary work before cooking or painting (4) |
| DABS | Informal word for the fingertips; aces, adepts or experts; small plaice- or sole-like flatfishes sometimes caught by trawlers or shrimpers; gentle pats or taps; or, blobs of chocolate, glue, ink, pain |
| SEC | Informal word for the 60th part of a minute, hence a jiffy, mo, tick or other very short space of time (3) |
| LING | A cod's long-bodied cousin from the deep sea; or, the common name of the heather of bog, heath, moorland, open woodland or peat-rich lea (4) |
| GUTTER | Space between two facing pages of an open book, columns of type or stamps in a pane; a duct for diverting rainwater; or, a channel at either side of a bowling alley (6) |
| EDGING | The border of a flower-bed, garden path, garment, lawn or rug; the fringe, gravel, hurdles, lace, pavers etc used; or, the act of making said finish/trim (6) |
| ANNICUT | A dam in the course of a stream to create a supply of waterways for irrigation (7) |
| ADIT | A horizontal passage leading into a mine, for the purpose of entrance or drainage |