Quatrain
A poetic stanza that is four lines in length. 'Requiescat' is written in quatrains.
Requiescat in pace
The Latin term translated into English as 'Rest in Peace'
Meningitis
An hard-to-detect infection of the brain and spinal cord that can cause severe disability or be fatal if left untreated. Isola died of meningitis
Aestheticism
An artistic movement, to which Wilde belonged and subscribed, which preached visual beauty as being paramount in artistic work.