1. the fatty network of connective tissue that fills the cavities of bones; [syn: marrow, bone marrow]
2. very tender and very nutritious tissue from marrowbones; [syn: marrow, bone marrow]
WordNet (r) 3.0 (2006):
bone marrow
n 1: the fatty network of connective tissue that fills the
cavities of bones [syn: marrow, bone marrow]
2: very tender and very nutritious tissue from marrowbones [syn:
marrow, bone marrow]