jibhead

名词 n.

英文释义

名词 n.
  1. The head of a jib (arm of a crane).
    — 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. A piece of iron at the head of a jib (triangular staysail).
    — 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. A user of jib (crystal methamphetamine); a methhead. slang
    — ‘[…]Every jibhead from here to Timbuktu’s gonna want a taste.’

词形变化

jibheads plural

词源

From jib + head.
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