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Webster 1913 Edition

Adj.

Having a broken back;

as, a

broken-backed

chair

(Naut.)

Hogged; so weakened in the frame as to droop at each end; – said of a ship.

Totten.

Adj.

A broken-backed ship is one which is so weakened in her frame as to droop at each end.

broken-backed ‎(comparative more broken-backed, superlative most broken-backed)