reverser

reversereverse (top) and obverse (bottom) of a Polish zloty coin

re·verse

R0206500 (rĭ-vûrs′)adj.1. Turned backward in position, direction, or order: the reverse side of the poster.2. Moving, acting, or organized in a manner contrary to the usual: in reverse order.3. Causing backward movement: a reverse gear.4. Printing Printed in such a way that the normally colored part appears white against a colored or black background.n.1. The opposite or contrary: All along we thought Sue was older than Bill, but just the reverse was true.2. a. The back or rear part: the reverse of the flyer.b. The side of a coin or medal that does not carry the principal design; the verso.3. A change to an opposite position, condition, or direction.4. A change in fortune from better to worse; a setback: suffered financial reverses.5. a. A mechanism, such as a gear in a motor vehicle, that is used to reverse movement.b. The position or operating condition of such a mechanism.c. Movement in an opposite direction.6. Football An offensive play in which a ball carrier running in one direction executes a handoff to a player running in the opposite direction.v. re·versed, re·vers·ing, re·vers·es v.tr.1. To turn around to the opposite direction: The wind reversed the weather vane.2. To turn inside out or upside down: reverse a jacket.3. To exchange the positions of; transpose: reversed the people on stage.4. Law To change or set aside (a lower court's decision).5. a. To cause to adopt a contrary viewpoint: reversed himself during the campaign.b. To change to the opposite: reversed their planned course of action.6. To cause (an engine or mechanism) to function in reverse.7. To direct that (a charge) apply to the person receiving instead of making a telephone call.v.intr.1. To turn or move in the opposite direction.2. To reverse the action of an engine.Idiom: reverse (one's) field To turn and proceed in the opposite direction.

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[Middle English revers, from Old French, from Latin reversus, past participle of revertere, to turn back; see revert.]

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re·verse′ly adv.re·vers′er n.Synonyms: reverse, invert, transpose
These verbs mean to change to the opposite position, direction, or course. Reverse implies a complete turning about to a contrary position: We reversed the arrangement of the sofa and chairs. To invert is basically to turn something upside down or inside out, but the term may imply placing something in a reverse order: inverted the glass; invert subject and verb to form an interrogative. Transpose applies to altering position in a sequence by reversing or changing the order: I often misspell receive by transposing the "e" and the "i."