Midriff

Noun

 * 1) The mid section of the human torso, from below the chest to above the waist

Thesaurus
abdomen, abomasum, barrier, bay window, beerbelly, belly, brattice, breadbasket, buffer, buffer state, bulkhead, bumper, center, cloison, collision mat, core, craw, crop, cushion, diameter, diaphragm, dissepiment, dividing line, dividing wall, division, embonpoint, equator, fender, first stomach, gizzard, gullet, gut, heart, honeycomb stomach, interior, interseptum, kernel, kishkes, manyplies, mat, maw, mean, median, middle, midmost, midsection, midst, nucleus, omasum, pad, panel, paries, partition, party wall, paunch, pot, potbelly, potgut, property line, psalterium, pusgut, rennet bag, reticulum, rumen, second stomach, separation, septulum, septum, shock pad, spare tire, stomach, swagbelly, thick, thick of things, third stomach, tum-tum, tummy, underbelly, ventripotence, waist, waistline, wall, zone

Etymology
From mydryf <  mid + hrif:

Translations

 * Dutch: middenrif
 * French: