| GLACIERS | Slowly moving masses or rivers of ice (8) |
| DRIFT | A mass of snow or leaves, piled up by the wind; a large spread of daffodils, snowdrops or other flowering plants; a flock of cattle or birds; a heavy shower of rain/sleet; or, loose fluvioglacial or g |
| AIN | Department or river of eastern France |
| PLANKTON | Drifting organisms in oceans, lakes or rivers (8) |
| SLUGGISH | Slowly moving |
| HERD | A drove of elephants, horses or wildebeest; a stock of cattle; a flock of wrens; or, the masses or rabble (4) |
| 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) |
| GLACIER | Slowly moving dense mass of ice (7) |
| CLOUDS | Cirri, cumuli, nimbi and other nephological masses; or, volumes of dust or smoke resembling these (6) |
| LOCKS | Boat raising/lowering sections of canals or rivers, improved by Leonardo da Vinci's 1497 invention of mitre gates (5) |
| INLAID | - navigation; passage of boats on canals or rivers (6) |
| CREEPINGUP | Dog returning to follow Canadian native staple, slowly moving closer (8,2) |
| ALTOCUMULUS | Middle-altitude cloud genus characterised by globular masses or rolls in layers or patches (11) |
| HOIPOLLOI | (Often derogatory) term for the masses or common people (3,6) |
| NODULES | Small rounded masses or lumps (7) |
| GEODES | Cavities, usually lined with crystals, within rock masses or nodules (6) |
| NUCLEI | Central masses or kernels (6) |
| PLURAL | Empty 9 alongside Russian river, or rivers possibly? (6) |
| TRIBUTARIES | Streams or rivers that feed other, larger ones (11) |
| RESERVOIR | Artificial lake or rivers maybe containing energy (9) |
