The definition of nummular is something that is round or oval or is shaped like a coin.
An example of something nummular is how a rash from eczema can look.
coin-shaped; circular or oval
Origin of nummularClassical Latin nummularius ; from nummulus, diminutive of nummus, a coin ; from Classical Greek nomimos, legal ; from nomos: see -nomy
Shaped like a coin; oval or circular.
Origin of nummularFrom Latin nummulus, diminutive of nummus, coin, probably from Greek nomimos, customary, legal; see nem- in Indo-European roots.
(comparative more nummular, superlative most nummular)