Assertion: seaweed's holdfast | /r/CapableOf | anchor the kelp
Facets:
value: to keep it
type: PURPOSE
value: to the substrate of the ocean
type: TRANSITIVE-OBJECT
Source sentences:
text: The holdfast, a root-like structure, anchors the kelp to the substrate of the ocean.
text: The holdfast grips a substrate and anchors the kelp to keep it secure despite moving waves and currents.