Fourfold-block


noun, Machinery.
1.
a block having four pulleys or sheaves.
Compare (def 11).

Read Also:

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    noun 1. a tackle that is composed of a rope passed through two fourfold blocks in such a way as to provide mechanical power in the ratio of 1 to 5 or 1 to 4, depending on whether hauling is done on the running or the standing block and without considering friction. Compare (def 2).

  • Four-footed

    [fawr-foo t-id, fohr-] /ˈfɔrˈfʊt ɪd, ˈfoʊr-/ adjective 1. having four feet: He considers his dog to be his four-footed friend. adj. Old English feowerfote; see four + foot (n.).

  • Four-footed butterfly

    noun 1. . [bruhsh-foo t-id] /ˈbrʌʃˌfʊt ɪd/ noun 1. any of several butterflies of the family Nymphalidae, including the fritillaries, mourning cloaks, anglewings, and commas, characterized by reduced, nonfunctional forelegs.

  • Four-freedoms

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  • Fourgon

    [foo r-gawn] /fʊərˈgɔ̃/ noun, plural fourgons [foo r-gawn] /fʊərˈgɔ̃/ (Show IPA). French. 1. a long covered wagon for carrying baggage, goods, military supplies, etc.; a van or tumbril. /furɡɔ̃/ noun 1. a long covered wagon, used mainly for carrying baggage, supplies, etc


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