1. A collection of blood or other fluid in any region of the body; pool of blood results from dilation and retardation of the circulation in the capillaries and veins of the region.
2. A combination of resources.
The information shown above for pool is provided by Stedman's.
* Stedman's, part of Lippincott Williams & Wilkins, provide a comprehensive line of health-science publications for healthcare professionals and medical students.