stretcher

nouns

a wooden framework on which canvas is stretched and fixed for oil painting
is a type of (narrower)
a structure supporting or containing something
a mechanical device used to make something larger (as shoes or gloves) by stretching it
is derived from
is a type of (narrower)
mechanism consisting of a device that works on mechanical principles
a litter for transporting people who are ill or wounded or dead; usually consists of a sheet of canvas stretched between two poles
is a type of (narrower)
conveyance consisting of a chair or bed carried on two poles by bearers
a stone that forms the top of wall or building