Of or pertaining to Orpheus, the mythical poet and musician.

(East Africa) A form of spirit possession or spiritual sickness among Maasai people, especially women.

orphanage

Obsolete form of orpheline.

A hospital for orphans. / (uncountable) The act of supporting orphans.

plural of orphanotrophy

(obsolete) Boldly; bravely; stoutly.

plural of orphan disease

Any disease for which drugs are not usually developed because it is too rare to make the development profitable.

(physiology) A receptor that has a similar structure to other identified receptors but whose endogenous ligand has not yet been identified