Entry from US English dictionary
A tree root whose upper, exposed parts project from the trunk like a buttress.
- When I find Matt, he's standing beside a buttress root taller than he is.
- There are endemic white-flowering begonias which reach several metres tall, trees with buttress roots the size of a small house and countless stands of bamboo towering over the path like crashing tsunami.
- An hour later, they were deep in the rain forest of Corcovado National Park, hiking along a trail flanked by giant ferns and shaded by 70-metre-tall trees anchored to the thin soil with buttress roots.
For editors and proofreaders
Syllabification: but·tress root
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