- Archaic a spring of clear water
- a clear, yellowish fluid resembling blood plasma, found in intercellular spaces and in the lymphatic vessels of vertebrates
- any of various colorless liquids similar to this; esp., the clear liquid given off from inflamed bodily tissues
Origin of lymphClassical Latin lympha, spring water, altered (infl. by Classical Greek nymph?: see nymph) from Old Latin limpa, lumpa, origin, originally from uncertain or unknown; perhaps Classical Greek nymph?