What is another word for "cartilage"?

Roget's Thesaurus (1911) lists these synonyms for "cartilage": adamant, adamantean, adamantine, ant, atomic, block, board, bone, bony, brick, buckram, calculous, callosity, cartilaginous, cast, cement, cohesion, concrete, coriaceous, corneous, crag, crystal, crystallization, deal, durity, firm, flint, fossil, fracture, glue, glutinousness, granite, granitic, grasp, grip, gristle, gristly, gritty, hard, harden.