Obs. rare. [ad. L. frust-um a piece.] A fragment.

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1765.  Sterne, Tr. Shandy, VII. xxxi. Such a story affords more pabulum to the brain than all the Frusts, and Crusts, and Rusts of antiquity, which travellers can cook up for it.

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1820.  Sporting Mag. (N. S.), VI. 165. The top is a mere frust.

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