Conveyance consisting of a chair or bed carried on two poles by bearers WordNet 3.0 & Open English WordNet

The litter is a class of wheelless vehicles, a type of human-powered transport, for the transport of people. Wikipedia

A piece of furniture mounted on a platform and carried by muscle power Wikipedia Disambiguation

Human-powered wheelless vehicle for the transport of persons Wikidata

vehicle for carrying a person Wikidata

A seat mounted on a frame with two poles on which a person can be carried. OmegaWiki

A platform mounted on two shafts, or a more elaborate construction, designed to be carried by two (or more) people to transport one (in luxury models sometimes more) third person(s) or (occasionally in the elaborate version) a cargo, such as a religious idol. Wiktionary