marrowbone noun2 •A bone containing edible marrow. •[in the plural] (humorous) The shins or knees, chiefly in references to kneeling.So the news of the split between the old and the young one caused plenty of conversation, you may be sure; and will Mr. Robert go down on his marrowbones? and what has he done? was all the question. — 1861 formsmarrowbones
