Turned side for side, or end for end; changed to the contrary; specifically (Bot. & Zool.), sinistrorse or sinistral; as, a reversed, or sinistral, spiral or shell.
Annulled and the contrary substituted; as, a reversed judgment or decree.
Changed or turned to the contrary; annulled; in conch., applied to a shell whose whorls run from right to left, or whose aperture is on the left when placed before a spectator with its apex upwards.
Inverted; a spiral shell whose turns are directed sinistrally.