RhymeZone: nummular definitions

Definitions of nummular:

adjective: (obsolete, rare) Of or relating to coins or money.
adjective: (pathology) Characterized by lesions (especially on the cornea or skin) which are round with well-defined borders.
adjective: (pathology, obsolete) Of sputum: forming flat, round shapes (formerly thought to be a symptom of tuberculosis).

(Definitions from Wiktionary)