1. peri - Noun
2. Peri - Proper noun
An imaginary being, male or female, like an elf or fairy, represented as a descendant of fallen angels, excluded from paradise till penance is accomplished.
Source: Webster's dictionaryOne morn a Peri at the gate Of Eden stood disconsolate. Thomas Moore
Farewell, farewell to thee, Araby's daughter! Thus warbled a Peri beneath the dark sea. Thomas Moore
Farewell, farewell to thee, Araby's daughter Thus warbled a Peri beneath the dark sea. Charles Lamb
Among the named works attributed to "Zoroaster" is a treatise On Nature (Peri physeos), which appears to have originally constituted four volumes (i.e. papyrus rolls). Source: Internet
At the end of his career, Hipparchus wrote a book called Peri eniausíou megéthous ("On the Length of the Year") about his results. Source: Internet
Although his work peri physeos is a poem, it may be viewed as an epistemological essay, an essay on method in natural science. Source: Internet