[f. FLY sb.2 + LEAF.] A blank leaf at the beginning or end, but esp. at the beginning, of a book; the blank leaf of a circular, etc.

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1848.  Clough, Bothie, ix. 159.

        Yea, to the full golden fifty renewed be! and fair memoranda
Happily fill the fly-leaves duly left in the Family Bible.

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1869.  J. E. T. Rogers, in Adam Smith’s W. N., I. Preface, p. xix. I have seen the copy of the first edition, now in the possession of a distinguished economist (Mr. Babbage), which Smith sent to Hume, and which contains a characteristic note by the author on the fly-leaf.

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1888.  Burgon, Lives of Twelve Good Men, I. I. 26. On the fly-leaf of the first volume of this book (for it had been found necessary to bind the volume into two) is found the following memorandum.

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