a thin coagulable fluid (similar to plasma but) containing white blood cells (lymphocytes) and chyle; is conveyed to the blood stream by lymphatic vessels
source: WordNet 3.0
A spring of water; hence, water, or a pure, transparent liquid like water.
source: Webster 1913
A fluid containing certain products resulting from the growth of specific microörganisms upon some culture medium, and supposed to be possessed of curative properties.