Pronunciation: (limf),[key] —n. 1. Anat.,Physiol.a clear yellowish, slightly alkaline, coagulable fluid, containing white blood cells in a liquid resembling blood plasma, that is derived from the tissues of the body and conveyed to the bloodstream by the lymphatic vessels.
2. Archaic.the sap of a plant.
3. Archaic.a stream or spring of clear, pure water.