tête-bêche

Etymology
From.

Adjective

 * 1)  Of a postage stamp, printed upside down relative to the following stamp of the same row or column.

Noun

 * 1)  A book where two texts are bound together, with one text rotated 180° relative to the other, such that when one text runs head-to-tail, the other runs tail-to-head.

Etymology
From +, the latter being an archaic word for "double-ended," e.g. , ultimately from Latin.

Adverb

 * 1)  head to foot, top to tail, head-to-tail; with the head of one being placed next to the feet of the other, heads and thraws;  with a head at both ends

Noun

 * 1)  a pair of tête-bêche stamps