We found 2 dictionaries that define the word blank shells:

General (1 matching dictionary)

1. blank shells: Vocabulary.com

Slang (1 matching dictionary)

2. blank shells: Urban Dictionary

(Note: See blank_shell as well.)

Definitions from WordNet (blank shell) ▸ noun:  a cartridge containing an explosive charge but no bullet ▸ Also see blank_shell ▸ Words similar to blank shells ▸ Usage examples for blank shells ▸ Idioms related to blank shells ▸ Wikipedia articles (New!) ▸ Words that often appear near blank shells ▸ Rhymes of blank shells ▸ Invented words related to blank shells