hollow back

Also found in: Thesaurus, Medical, Legal, Encyclopedia, Wikipedia.

hol·low back

n. lordosis.
References in classic literature ?
About seven yards farther on he managed with difficulty to crawl up the incline on all fours, then he followed the edge of the hollow back to the place where the horse should have been.
bronze plaque shall be 22" x 24", in relief, 1/2" minimum thickness; hollow back / raised lettering, border, and portrait, portrait: relief portrait 13in x 14in / vignette edge (frame-less style), lettering: 74 words / 436 characters (includes 2 glyphs), fonts: helvetica neue and friz quadrata, background: texture-stipple / color-antique dark oxide, border: double border mounting: blind mount (no holes).
They were cast flat with a hollow back and often featured famous people such as Nelson, Wellington, Gladstone, Disraeli and General Wolseley, as well as characters like John Bull and Punch and Judy, and domestic and farmyard animals.