[f. TOP sb.1 + KNOT sb.1]
1. a. A knot or bow of ribbon worn on the top of the head by ladies towards the end of the 17th and in the 18th century; later, a bow of ribbon worn in a lace cap; ? also of flowers, feathers, etc.
c. 16868. Roxb. Ball. (1890), VII. 21. The lofty Top-knots on her crown, Makes me with care, alas! look down.
1688. R. Holme, Armoury, III. xiv. (Roxb.), 12/1. Glasses used by Ladys to see how to dress their heads, and set their top knotts on their fore heads vpright.
171620. Lett. fr. Mists Jrnl. (1722), I. 51. Let me beg thee to insert a polite History of Hoop-Petticoats, Top-Knots, and all that.
1831. Scott, Nigel, Introd. Obliged to compel a fellow-knight or squire to restore the top-knot of ribbon which he had stolen from a fair damsel.
1910. O. Barron, in Encycl. Brit., VII. 242/2. A cap [late 17th c.] whose top-knot or commode stood up stiff and fan-shaped.
b. A tuft of hair on the top or crown of the head of a person or animal; a knob of hair worn on the crown of the head in some styles of hair-dressing; also, a plume or crest of feathers or filaments on the head of a bird.
1700. T. Brown, Amusem. Ser. & Com., 22. A Trumpeter calling in the Rabble to see a Calf with Six Legs and a Top-knot.
1849. D. J. Browne, Amer. Poultry Yd. (1855), 12. Unacquainted with fowls with topknots.
1867. Baker, Nile Trib., iii. (1872), 41. A Bishareen Arab wears his hair in hundreds of minute plaits surmounted by a circular bushy topknot upon the crown.
1894. Gladstone, Odes of Horace, II. xi. 24. Her hair be dressed like Spartan maid, With comely top-knot upwards tied.
1902. O. Wister, Virginian, i. Have you ever seen a cockatoothe white kind with the top-knotenraged by insult?
c. The head. slang.
1869. E. Waugh, Hermit Cobbler, iii. I doubt its unsattlet his top-knot a bit.
1889. J. S. Winter, Mrs. Bob (1891), 63. The little tip-tilted nose and curly top-knot.
2. transf. a. One who wears a topknot.
1697. Isobel Wright, in Collect. Dying Test (1806), 42. Like gowkhorns, topeknots and I know not what to call them.
1909. Bible in World, Feb., 60/1. Dirty children, and everywhere dreamy Top-knots, as the Korean men are called because they wear their hair in a top-knot.
b. One of several species of small European flat-fish, with a tapering filament on the head.
1832. Johnston, in Proc. Berw. Nat. Club, I. No. i. 7. The most remarkable [fishes] were the top-knot, the toothed gilt-head.
1843. Zoologist, I. 106. Description of Mullers Top-knot taken from a fresh specimen.
1880. Günther, Stud. Fishes, 555. Blochs Top-knot, Rh[ombus] punctatus. Ibid., The Top-knot (Ph[rynorhombus] unimaculatus) occurs occasionally on the south coast of England.
3. attrib., as topknot duck: see quot.; topknot pigeon, an Australian crested fruit-pigeon, Lopholaimus antarcticus.
1849. D. J. Browne, Amer. Poultry Yd. (1855), 197. Also the crested, or topknot duck, a beautiful ornamental tame variety.
1891. F. Adams, J. Webbs End, I. ii. 33. Flying for a moment by a lovely, melodious top-knot pigeon.
Hence Topknotted a., having a topknot.
1859. Geo. Eliot, A. Bede, vi. The old top-knotted hens, scratching with their chicks among the straw.
1868. Darwin, Anim. & Pl., I. viii. 295. There are topknotted canaries, and it is a singular fact, that, if two topknotted birds are matched, the young, instead of having very fine topknots, are generally bald, or even have a wound on their heads.