Assertion: cassowary's casque | /r/ObjectUse | used as protective structure
Facets:
value: for moving at high speed
type: PURPOSE
value: during fights with other animals5
type: TEMPORAL
Source sentences:
text: Early descriptions of the casque referred to it as a horny structure3,4, a horn-covered bony growth5 or hoof-like material6, giving rise to the most widely recognised idea that the casque is used as a protective structure for moving at high speed in dense vegetation5,7,8 and during fights with other animals5.