thighs

/TH AY1 Z/
noun
  1. 1

    The upper leg of a human, between the hip and the knee.

  2. 2

    That part of the leg of vertebrates (or sometimes other animals) which corresponds to the human thigh in position or function; the tibia of a horse, the tarsus of a bird; the third leg-section of an insect.

Source: https://en.wiktionary.org/wiki/thigh, https://en.wiktionary.org/wiki/thighs