Assertion: feather | /r/HasProperty | attached on either side of the rachis
Facets:
Source sentences:
text: - the central shaft of the feather to which the vanes are attached vane - the flattened part of the feather that is attached on either side of the rachis (each feather has two vanes)
text: - the flattened part of the feather that is attached on either side of the rachis (each feather has two vanes)