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Related to Jacob's staff: Cross-staff
(Surveying) a medieval instrument for measuring heights and distances
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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|Noun||1.||Jacob's staff - 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|
candlewood - any of several resinous trees or shrubs often burned for light
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