The Collaborative International Dictionary of English v.0.48:
Lymphadenitis \Lym`pha*de*ni"tis\, n. [NL. See Lymph, and Adenitis.] (Med.) Inflammation of the lymphatic glands; -- called also lymphitis. [1913 Webster]WordNet (r) 3.0 (2006):
lymphadenitis n 1: inflammation of lymph nodes