The term 'lymphatic lump' refers to a small, round mass of tissue that is found in the lymphatic system. It is usually benign and can be caused by a variety of factors, including infection, inflammation, or trauma. The crossword solution for this term is 'NODE, ' which is a small, localized area of swelling or enlargement. Nodes are often found in the lymph nodes, which are part of the lymphatic system and help to filter out toxins and other substances from the body.