| CYLINDER | Tree trunk, more or less |
| STOCK | A tree trunk or main stem; a perennial part of a herbaceous plant; a person's ancestry or line of descent; a fund or store; or, a farm's collective animals, kept for meat or milk (5) |
| KNAR | Knot or protuberance in a tree trunk or in wood (4) |
| HEART | Core wood of a tree trunk; the centre of a cabbage or lettuce; or, a bodily organ studied in cardiology (5) |
| BARK | Cry of a dog or fox; or, the outer covering of a tree trunk (4) |
| HOLLOW | Gap in a tree trunk, often inhabited by roosting bats, owls or nesting squirrels; or, a small valley (6) |
| BOLE | Recess in a wall designed to house a hive or skep of bees; a tree trunk; or, a rich clay pigment used in gilding (4) |
| LOG | Record of a ship's voyage or of a pilot's flying hours; or, a fallen tree trunk cleared of branches (3) |
| KNUR | Ball used in a game with a trap or "spell"; or, a knot in a tree trunk (4) |
| SCARF | A groove on a sewing machine needle; a cut made in a tree trunk when felling; or, a boa, cravat, muffler, nightingale, shawl, stole or wrap (5) |
| STUB | Remains of a tree trunk or a pencil; an accidental strike of one's toe; a counterfoil; or, a horseshoe nail (4) |
| UNDERCUT | The act of chopping below or slashing a price; a notch in a tree trunk to direct its fall; an upward blow; or, the tenderloin/fillet of a sirloin of beef (8) |
| ABOLISH | Axe short tree trunk, one overshadowed by tree (7) |
| HORSECHESTNUT | Tree trunk blocking the sun, or otherwise (5,8) |
| GNARLIER | More knotted, as a tree trunk |
| SLITDRUM | Percussion instrument, often made from a hollowed-out stem, branch or tree-trunk, with a narrow inci |
| RING | In dendrochronology, a part of the cross-section of a tree trunk representing a single year's growth; or, an identity tag placed around a bird's leg (4) |
| RINGS | Concentric inner markings of a tree trunk used to identify its age; or, tokens of eternal love (5) |
| LICHEN | Symbiotic organism growing on a tree trunk or rock (6) |
| CODEX | Collection of ancient manuscript texts in book form; from Latin, 'tree trunk' or 'wooden block' (5) |
