roseheads

Noun

rosehead (plural roseheads)

1. The head or blossom of a rose.
   • He's here, I've heard, day after day, following you round while you snip off roseheads.1986, Elizabeth Cadell, The Empty Nest
2. A many-sided pyramidal head upon a nail.
   • In the Fort Southwest Point collection, hand-wrought iron nails headed in the "rosehead" pattern account for a total of 3,549 specimens (38% of hand-wrought nails).1993, Samuel D. Smith, Fort Southwest Point Archaeological Site, Kingston,, page 241
3. A nail with that kind of head.
   • The gadroon strips have been reset, their roseheads countersunk.1985, Morrison H. Heckscher, Mary-Alice Rogers, American Furniture in the Metropolitan Museum of Art, page 115
4. A circular or spherical nozzle or end to something that is perforated to allow the escape of liquid or gas.
   • To this I attach a rosehead like that of an ordinary deggin-can, and have it placed, pointing upwards, directly underneath and near to my patient's nostrils.1860, Thos. Greaves, “Memoirs of a Veterinary Surgeon: Thoughts in the Sick Box”, in Veterinarian, volume 33, page 202
5. A bur or gouge that has a spherical head and curled blades, resembling the curled petals of a rose.
   • The rosehead is a most effective gouge for removing carious bone, as well as a very convenient instrument for enlarging cloacae to allow of an exploration for sequestra.1864, Timothy Holmes, A System of Surgery, page 1044
6. A conical drillbit that has radiating blades.
   • The rosehead bit has a series of cutters, nine in all, that radiate from the centre point.1984, P. F. Lye, Woodwork Theory, page 67