stretcher

definition: a stone that forms the top of wall or building
example:
speech part: noun
synonyms: capstone
definition: a litter for transporting people who are ill or wounded or dead
example:
speech part: noun
synonyms:
definition: a mechanical device used to make something larger by stretching it
example: I used the stretcher to help my gloves fit better.
speech part: noun
synonyms:
definition: a wooden framework on which canvas is stretched and fixed for oil painting
example:
speech part: noun
synonyms:

How stretcher is being used?