The term 'lymph' is a type of bodily fluid that circulates throughout the body and helps to fight infection. The crossword solutions for this term are 'NODE' (4 letters) and 'NODES' (5 letters). NODE refers to a small mass or collection of cells, while NODES are multiple such masses. Lymph NODES are small, bean-shaped structures located throughout the body that act as filters for lymph fluid. They help to remove bacteria, viruses, and other foreign substances from the lymph fluid.