We found 6 dictionaries that define the word voluntary muscles:

General (3 matching dictionaries)

1. voluntary muscles: Merriam-Webster
2. voluntary muscles: Vocabulary.com
3. voluntary muscles: Wiktionary

Computing (1 matching dictionary)

4. Voluntary muscles: Encyclopedia

Medicine (2 matching dictionaries)

5. voluntary muscles: Merriam-Webster Medical Dictionary
6. Voluntary muscles: Medical dictionary

(Note: See voluntary_muscle as well.)

Definitions from Wiktionary (voluntary muscle) ▸ noun:  (anatomy) Muscle that is normally controlled by individual volition; skeletal muscle. ▸ Also see voluntary_muscle Opposite: involuntary muscles, smooth muscles, visceral muscles ▸ Words similar to voluntary muscles ▸ Usage examples for voluntary muscles ▸ Idioms related to voluntary muscles ▸ Wikipedia articles (New!) ▸ Words that often appear near voluntary muscles ▸ Rhymes of voluntary muscles ▸ Invented words related to voluntary muscles