jibheadとは 意味・読み方・使い方

発音

名詞

jibhead (plural jibheads)

1. (mining) The head of a jib (arm of a crane).
   • 1966, Boris Mikhaĭlovich Vorobév, Ramrao T. Deshmukh, Advanced Coal Mining‎, volume 1, Asia Publishing House, →LCCN, →OCLC, page 449:

     An improvement over the arcwaller, this machine is designed for giving a shear cut in any plane in addition to the horizontal cut, with a view to reduce the amount of blasting and to get better size-consist of the broken coal. It is used for rapid advance of headings. It has four units: a gearhead, a motor housing, a main jibhead, and an eccentric jibhead. The cutting head is mounted eccentrically on the main jibhead and the two are capable of complete rotational movement independently or  […]

2. (nautical) A piece of iron at the head of a jib (triangular staysail).
   • 1950 January, MotorBoating‎, →ISSN Invalid ISSN, page 101:

     For instance there can be no disputes nor discourses about the superiority of the jibhead sail plan with its permanent backstay over the old fashioned gaff-head main sail.

3. (slang) A user of jib (crystal methamphetamine); a methhead.
   • 2018, Brian Gibson, “Romancing the ice: The problematic poetry of Breaking Bad”, in Critical Studies in Television‎, volume 13, number 4, SAGE Publications Sage UK: London, England, →ISSN, pages 405–421:

     ‘ […] Every jibhead from here to Timbuktu’s gonna want a taste.’