Assertion: windmill | /r/CapableOf | convert wind power
Facets:
value: to mill grain
type: TRANSITIVE-OBJECT
value: by means of vanes
type: MANNER
value: into rotational energy
type: OTHER
Source sentences:
text: A windmill is a structure that converts wind power into rotational energy by means of vanes called sails or blades, specifically to mill grain (gristmills), but the term is also extended to windpumps, wind turbines and other applications.