gristle

/หˆษกษนษชsษ™l/

IPA: /G R IH1 S AH0 L/

noun
  1. 1

    Cartilage; now especially: cartilage present, as a tough substance, in meat.

  2. 2

    (from obsolete scientific theory) Bone not yet hardened by age and hard work.

Source: https://en.wiktionary.org/wiki/gristle