Definition of arbuscule
1 : a tuft of hairs or cilia
2 : a branched treelike organ specifically : one of the treelike haustorial organs in certain mycorrhizal fungi
Keep scrolling for more
Love words? Need even more definitions?Merriam-Webster unabridged
Words at Play
Ask the Editors
- Why is there a 'd' in 'fridge' but not in 'refrigerator'?
- 'All Intensive Purposes' or 'All Intents and Purposes'?
- Is Singular 'They' a Better Choice?