mar·row
noun/ˈmærəʊ/
/ˈmærəʊ/
- (also bone marrow)[uncountable] a soft substance that fills the hollow parts of bones
骨髓 - (British English) [uncountable, countable] a large, long vegetable that grows on the ground. Marrows have dark green skin and are white inside.
enlarge image西葫芦
Word OriginOld English mearg, mærg (in sense (1)), of Germanic origin; related to Dutch merg and German Mark. Sense (2) dates from the early 19th cent.