lymphatism noun2 •(historical) Enlargement or swelling of the lymphatic tissue, associated in the past with sudden death of children but no longer considered to be an authentic ailment.Lymphatism. Post-mortem examination on a boy 10 years of age who died after receiving a blow on the head revealed a thymus gland of considerable bulk, 4 inches long. — 1914 •Bloating, sluggishness.As Jean Lurcat said, "The art had died, killed by consumption, insipidness, lymphatism, and inversion." — 1948