Assertion: whistle | /r/MadeOf | wood
Facets:
Source sentences:
text: Whistles made of bone or wood have been used for thousands of years.
text: Other whistles have been made from clay, wood and reeds, but the principal for making the whistle sound is always the same: a narrow gap is created in a mouthpiece through which air is blown, and holes in the barrel are stopped or opened to vary the pitch.
text: Whistles made of bone or wood have been used for thousands of years for spiritual, practical, and entertainment purposes.
text: Other whistles have been made from clay, wood and reeds, but the principal for making the whistle sound is always the same: a narrow gap is created in a mouthpiece through which air is blown, and holes in the barrel are stopped or opened to vary the pitch.