rosehead

名词 n.
中文释义

英文释义

名词 n.
  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.
  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).
  3. A nail with that kind of head.
    — The gadroon strips have been reset, their roseheads countersunk.
  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.
  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.
  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.

词形变化

roseheads plural

词源

From rose + head.
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