rose headn.
/ˈrəʊz hɛd/, U.S. /ˈroʊz ˌ(h)ɛd/ 1. = rose n.1 9e. Also more generally: any spreading or perforated end or cap to a pipe.
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the world > matter > liquid > liquid flow > action or process of sprinkling > [noun] > sprinkler
sprinklea1382
sprinkler1535
springer1601
sprinker1648
aspergilluma1657
sperge1676
rose1706
rose head1742
whisk1745
asperge1848
rose nozzle1848
rose sprinkler1856
water head1856
sparger1858
sprinkler installation1887
society > inhabiting and dwelling > inhabited place > a building > parts of building > roof > [noun] > downpipe(s) > parts of
rose head1742
rainwater head1820
1742 W. Ellis Mod. Husbandman July xxiv. 128 A Barrel..that has an Arm of Tin fix'd in with a Rose-head, that the Water may run on their Roots.
1758 J. Hill Gardener's New Kal. 16 Two large watering pots with rose heads, suspended on a neck yoke.
1814 J. Lunan Hortus Jamaicensis I. 186 A watering pot, with a rose head of very small holes, would no doubt be less troublesome.
1874 J. Perry Elem. Treat. Steam Engine iv. ix. 365 The injection-pipe has no rose head inside the condenser because of the liability to choke up with small bits of refuse.
1883 Specif. Alnwick & Cornhill Railway 51 Four-inch rain-pipes are to be provided, with proper roseheads.
1906 F. Delamotte Amateur Artist v. 87 From the side of this vessel..projects a pipe five or six inches long, having a small rose head, perforated with numerous small holes.
1997 Home Flair July–Aug. 80 The timeless styling, thermostatic lever temperature control and large rose head combine to make a stunning shower.
2. A type of faceted head on a nail; (also) a nail having this type of head (= rose nail n.). Frequently attributive.
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society > occupation and work > equipment > building and constructing equipment > fastenings > [noun] > nail > with faceted head
rose nail1367
rose1737
rose head1808
rose clench1832
1808 Monthly Mag. Dec. 462/1 For nails intended to have rose-heads, or any other kind of heads, except clasp-heads.
1835 C. F. Partington Brit. Cycl. Arts & Sci. I. 862/2 To form the heads of horse-nails, called rose heads.
1904 A. C. Passmore Handbk. Techn. Terms Archit. & Building 327/1 Spikes, large wrought nails from four to fourteen inches long; the smaller sizes have rose heads, and the larger ones square heads with flat tops.
1985 News (Frederick, Maryland) 1 June d9/1 (advt.) Batten door with wooden hinges and rosehead nails.
2005 Period Living & Trad. Homes Apr. 127/1 The company makes skirting, architrave and bespoke doors, including internal ledged cottage doors, using handmade rose-head nails.
3. Dentistry. A file, drill, or burr with a rounded head. Frequently (now usually) attributive.
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the world > health and disease > healing > dentistry > [noun] > other dental equipment
explorer1844
plate1845
rose head1847
plugging forceps1861
plugger1862
rubber dam1865
finger mirror1867
nerve instrument1867
hoe1875
saliva extractor1877
thimble1877
finger-tray1878
scaler1881
matrix1883
saliva ejectora1884
sickle scaler1930
1847 tr. A. M. Desirabode Compl. Elements Sci. & Art Dentist ii. i. 269 Files bent in form of an arch, are sometimes used, and also rose-head drills [Fr. limes cintrées et surtout de fraises], a species of file, which can be brought to bear directly upon the principal seat of the caries.
1859 J. Tomes Syst. Dental Surg. 344 The rose-head is very serviceable in reducing to a cylindrical form the ragged opening of a small cavity.
1894 Pacific Coast Dentist 2 180 This is best effected by cutting a shallow retentive cavity in that side of the tooth insensitive to heat; a sharp rose-head may then be made to enter the pulp-cavity.
1968 Brit. Jrnl. Plastic Surg. 21 361 Along these medial, inferior and lateral borders of the flap a rose-head dental bur was used to perforate through the entire thickness of the bone.
2005 Jrnl. Dentistry 33 295/2 Access was gained to the root canal system using a high-speed diamond fissure bur followed by a slow-speed round rosehead and safe-ended diamond bur.
This entry has been updated (OED Third Edition, November 2010; most recently modified version published online June 2022).
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