a. [f. BREAK v. + BACK sb.1; cf. BREAK-NECK.] That breaks the back; crushing, over heavy.

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1556.  J. Heywood, Spider & F., lxxii. 16. Our breakbacke burdens.

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1607.  J. Davies, Summa Tot., 21 (D.). All breake-backe Crosses, which we vndergo.

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1822.  W. Cobbett, Rur. Rides (1885), I. 104. All the break-back and sweat-extracting work.

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