The definition of a desideratum is a wish or desire.
(noun)An example of a desideratum is a woman's want to be a mother.
See desideratum in Webster's New World College Dictionary
See desideratum in American Heritage Dictionary 4
noun pl. de·sid·er·a·ta (-tə)
Origin:
Origin: Latin dēsīderātum
Origin: , from
Origin: neuter past participle of dēsīderāre, to desire; see desire
.Learn more about desideratum