seborrheic eczema se·borr·hei·ceczema uncommon noun 1. a chronic skin disease associated with seborrhea and greasy scales on the scalp or eyelids or other parts of the skin Synonymsseborrheic dermatitisseborrheic eczema Related words Broader terms dermatitis WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.