† a. A sluggard. Obs. b. Coal-mining. (See quot. 1881.) c. A high back-bar to a carriage-seat (Knight, Dict. Mech., 1875). d. Lazy-back-chair, a chair with a reclining back. ? U.S.
1611. Cotgr., Poltron, a sluggard lazie-backe.
1860. Eng. & For. Mining Gloss., S. Staff. Terms, Lazyback, the place at surface where the coals are loaded and stacked for sale.
1887. Pop. Sci. Mo., XXX. 748. A lazy-back chair makes a capital observing-seat.