Pectoral \Pec"to*ral\, a. [L. pectoralis, fr. pectus, -oris the breast; cf. F. pectoral.] 1. Of or pertaining to the breast, or chest; as, the pectoral muscles.
Wow! That felt good. I just defined mine, and it was pretty easy. 😀
Seriously, high reps with lower weight (and lower body fat).