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We found 4 dictionaries with English definitions that include the word firing pins:
Click on the first link on a line below to go directly to a page where "firing pins" is defined.

General (4 matching dictionaries)

1. firing pins: Merriam-Webster.com [home, info]
2. firing pins: Collins English Dictionary [home, info]
3. firing pins: Vocabulary.com [home, info]
4. firing pins: Wiktionary [home, info]

(Note: See firing_pin for more definitions.)

Quick definitions from WordNet (firing pin) ▸ noun:  striker that ignites the charge by striking the primer ▸ Also see firing_pin ▸ Words similar to firing pins ▸ Usage examples for firing pins ▸ Words that often appear near firing pins ▸ Rhymes of firing pins ▸ Invented words related to firing pins