Dictionary.net

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.

Annulled and the contrary substituted; as, a reversed judgment or decree.

Inverted; a spiral shell whose turns are directed sinistrally.