Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
A birth control device, such as a plastic or [metallic] loop, ring, or [spiral], that is inserted into the uterus to prevent implantation; [intrauterine] device.
Share your knowledge with the community
Browse our collection of 300,000+ community-written definitions