| 单词 | Jacob's staff |
| 释义 | Jacob's staff (once / 337695 pages) n WORD FAMILY Jacob's staff USAGE EXAMPLESThe instrument is mounted on a tripod or Jacob's staff by means of a socket on the underside. Bedini, Silvio A., Early American Scientific Instrumen...(2012) Also, the name of the geometrical cross called Jacob's staff. Belcher, Edward, Sir, The Sailor's Word-Book—An Alphabet...(2010) A third instrument, also to measure the height of a celestial body, was called the Jacob's staff. Smith, Preserved, The Age of the Reformation(2010) n desert shrub of southwestern United States and Mexico having slender naked spiny branches that after the rainy season put forth foliage and clusters of red flowers Syn|Hyper Fouquieria splendens, coachwhip, ocotillo, vine cactus candlewood any of several resinous trees or shrubs often burned for light |
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