Useful english dictionary. 2012.

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  • Plumb bob — Plumb Plumb (pl[u^]m), n. [F. plomb, L. plumbum lead, a leaden ball or bullet; cf. Gr. mo lybos, mo libos, mo lybdos. Cf. {Plummet}, {Plunge}.] A little mass or weight of lead, or the like, attached to a line, and used by builders, etc., to… …   The Collaborative International Dictionary of English

  • plumb bob — n. PLUMB (n.) …   English World dictionary

  • plumb bob — plumb′ bob n. bui sur plummet 1) • Etymology: 1825–35 …   From formal English to slang

  • plumb bob — noun the metal bob of a plumb line • Syn: ↑plumb, ↑plummet • Derivationally related forms: ↑plumb (for: ↑plumb) • Hypernyms: ↑bob …   Useful english dictionary

  • Plumb-bob — A plumb bob or a plummet is a weight with a pointed tip on the bottom that is suspended from a string and used as a vertical reference line.This instrument has been used since the time of the ancient Egyptians by bricklayers, masons, and… …   Wikipedia

  • plumb-bob — /ˈplʌm bɒb/ (say plum bob) noun a piece of lead or some other weight attached to a line, used for determining perpendicularity, for sounding, etc.; the bob of a plumb line. Also, plummet …  

  • plumb bob — noun Date: circa 1840 the metal bob of a plumb line …   New Collegiate Dictionary

  • plumb bob — noun a bob of lead or other heavy material forming the weight of a plumb line …   English new terms dictionary

  • plumb bob — noun A metal weight attached to the end of a plumb line …   Wiktionary

  • plumb bob — plummet (def. 1). [1825 35] * * * …   Universalium

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