We found 6 dictionaries that define the word ark shells:

General (3 matching dictionaries)

1. ark shells: Merriam-Webster
2. ark shells: Wiktionary
3. ark shells: TheFreeDictionary.com

Business (1 matching dictionary)

4. ark shells: Legal dictionary

Computing (1 matching dictionary)

5. ark shells: Encyclopedia

Miscellaneous (1 matching dictionary)

6. ark shells: Idioms

(Note: See ark_shell as well.)

Definitions from Wiktionary (ark shell) ▸ noun:  (malacology) Any of the family Arcidae of saltwater clams or marine bivalve molluscs. ▸ Also see ark_shell ▸ Words similar to ark shells ▸ Usage examples for ark shells ▸ Idioms related to ark shells ▸ Wikipedia articles (New!) ▸ Words that often appear near ark shells ▸ Rhymes of ark shells ▸ Invented words related to ark shells