n. 1 Physiol. a colourless fluid containing white blood cells, drained from the tissues and conveyed through the body in the lymphatic system. 2 this fluid used as a vaccine. 3 exudation from a sore etc. 4 poet. pure water. lymph gland (or node) a small mass of tissue in the lymphatic system where lymph is purified and lymphocytes are formed. lymphoid adj. lymphous adj.
[ F lymphe or L lympha, limpa water ]