Assertion: trapezoid's surface | /r/HasProperty | curved
Facets:
value: sinuously
type: MANNER
Source sentences:
text: The superior surface, directed lateralward, is concave, sinuously curved, and smooth for articulation with the hamate.
text: The inferior surface, directed lateralward, is concave, sinuously curved, and smooth for articulation with the hamate.
text: The inferior surface, directed lateralward, is concave, sinuously curved, and smooth for articulation with the hamate.