#bell.opening  the flared opening of a tubular device
  supertype:  #opening.artifact  a vacant or unobstructed space; "they left a small opening for the cat at the bottom of the door"
  part of:  #blunderbuss  a short musket of wide bore with a flared muzzle
  part of:  #funnel.utensil  a conically shaped utensil having a narrow tube at the small end; used to channel the flow of substances into a container with a small mouth
  part of:  #wind_instrument__wind  a musical instrument in which the sound is produced by an enclosed column of air that is moved by the breath

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