resupination

CIDE DICTIONARY

resupination, n. 

 The state of luing on the back; the state of being resupinate, or reversed.  [1913 Webster]
"Our Vitruvius calleth this affection in the eye a resupination of the figure."  [1913 Webster]

ROGET THESAURUS

resupination

Horizontality

N horizontality, flatness, level, plane, stratum, dead level, dead flat, level plane, recumbency, lying down, reclination, decumbence, decumbency, discumbency, proneness, accubation, supination, resupination, prostration, azimuth, plain, floor, platform, bowling green, cricket ground, croquet ground, croquet lawn, billiard table, terrace, estrade, esplanade, parterre, table land, plateau, ledge, butte, mesa (plain), level, spirit level, horizontal, level, even, plane, flat, flat as a billiard table, flat as a bowling green, alluvial, calm, calm as a mill pond, smooth, smooth as glass, recumbent, decumbent, procumbent, accumbent, lying, prone, supine, couchant, jacent, prostrate, recubant, horizontally, on one's back, on all fours, on its beam ends.