retract

Retract is a verb meaning to draw back, withdraw, or return to a former position. The term comes from the Latin retrahere, formed by re- meaning back and trahere meaning to draw.

In common usage, retract describes both verbal and physical withdrawal. To retract a statement or claim is to withdraw it, often in light of new information or error. In publishing and journalism, a retraction is a formal notice that previously published material is incorrect or should not be relied upon.

In biology and anatomy, retract refers to the action of pulling a body part toward the body or back from a forward position. This action is usually performed by specific muscles known as retractors. Many animals have retractable features, such as claws, tongues, or limbs that can be drawn inward when not in use, providing protection or saving energy.

In engineering and everyday objects, retract describes components designed to extend for use and retract when not needed. Examples include retractable landing gear on aircraft, retractable pens, and telescoping tools. The related adjective retractable is commonly used to describe devices that can be withdrawn into their housing.

See also: retraction, retractable.