A surname.

(uncountable) The substance inside bones which produces blood cells. / (countable) A kind of vegetable like a large courgette/zucchini or squash. / The pith of certain plants.

(Tyneside, informal) A friend, pal, buddy, mate. / (Scotland or archaic) One of a pair; a match; a companion; an intimate associate.

plural of marrow

plural of Marrow

plural of bone marrow

(chiefly Britain) the marrow squash

(anatomy) The fatty vascular tissue that fills the cavities of bones, being the place where new blood cells are produced.

plural of vegetable marrow

lithomarge; kaolinite