We found 4 dictionaries that define the word kopper:

General (3 matching dictionaries)

1. Kopper: Wordnik
2. Kopper: Wikipedia, the Free Encyclopedia
3. Kopper: Rhymezone

Art (1 matching dictionary)

4. Glossary of Stamp Collecting Terms (No longer online)

Definitions from WordNet (Kopper) ▸ name:  A surname (very rare: popularity rank in the U.S.: #40254) ▸ Words similar to kopper ▸ Usage examples for kopper ▸ Idioms related to kopper ▸ Wikipedia articles (New!) ▸ Words that often appear near kopper ▸ Rhymes of kopper ▸ Invented words related to kopper