cup and ball


Definition of cup and ball

1 : a bilboquet having a cup also : the game of maneuvering the bilboquet so as to catch the ball in the cup
2 : the cross-parting in columnar igneous rocks in which one face of the parting is concave and the other convex (as in the columnar basalt of the Giant's Causeway on the north coast of Ireland)

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cup and ball

cup-and-ball joint

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Cite this Entry

“Cup and ball.” Dictionary, Merriam-Webster, Accessed 4 Oct. 2022.

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