Definition of "midsection"

midsection

/ˈmɪdˌsɛkʃən/

noun
plural midsections
1. The middle section of something.
2. (anatomy) The midriff; the section of the human torso, from below the chest to above the waist.
  Quotations
  That's the premise of the overload principle, and it must be applied, even to ab training, if you're going to develop a cut, ripped midsection.
  2010, Bill Geiger, “6-pack Abs in 9 Weeks”, in Reps!, 17:106