| TOPKNOT | Plume or crest of feathers |
| TUFTED | Leaders of this unit found taking each drill with a crest of feathers? (6) |
| RIDGE | Long narrow top or crest of an item or land (5) |
| CAP | Foamy uppermost surface or crest of wave (3) |
| PANACHE | From the Latin for "little feather", a plume or tuft in a soldier's helmet; knightly splendour; or, a dashing manner, flamboyance or swagger (7) |
| LINEAMENT | Long topographical feature such as a faultaligned valley or crest of ridges, especially as revealed by aerial photography (9) |
| FEATHER | Plume or quill (7) |
| THISTLE | Cirsium is known as the plume or horse ___ (7) |
| PENNATE | From "feather, fin, wing", word used to denote a botanical folio with a distinctly plume- or quill-like shape (7) |
| CRESTS | Manes of horses; plumes or tufts of birds or helmets; identifying rings on arrows; or, tops of hills or waves (6) |
| SURFACE | Top expert on the crest of a wave? (7) |
| HILLTOP | Crest of rise (7) |
| COMPASS | Which tool appears on the crest of the Freemasons and East Germany? (7) |
| FEATHERS | Plumes or quills traditionally fitted to arrows by fletchers or used as pens; or, long tufts of hair on the fetlocks of heavy horses (8) |
| MOTTO | Phrase on a coat of arms or crest; or, a quote prefacing a book or chapter (5) |
| AIGRETTE | A plume or tuft of feathers from a lesser white heron adorning a headdress (8) |
| PREEN | Word meaning to clean the feathers using the beak "like a pin"; or, to plume or primp generally (5) |
| EGRET | A heron whose French name, "aigrette", is used to describe one of said wader's plumes; or, a feathery crown or "clock" of a dandelion (5) |
| EXLIBRIS | From the Latin meaning "from the library of", a book with a bookplate carrying the owner's name and often their coat of arms or crest (2-6) |
| NOM | De plume or de guerre |
