2. Noun. (colloquial usually in the plural) The pectoralis major muscle. ¹
¹ Source: wiktionary.com
Definition of Pec
1. a chest muscle [n -S]
2. Noun. (colloquial usually in the plural) The pectoralis major muscle. ¹
¹ Source: wiktionary.com
1. a chest muscle [n -S]