the class occupying the highest position in the social hierarchy
(biology) a taxonomic class below a phylum and above a class
belonging to the lowest and least privileged social stratum
the social class lowest in the social hierarchy
one of the large alphabetic characters used as the first letter in writing or printing proper names and sometimes for emphasis; capitals were kept in the upper half of the type case and so became known as upper-case letters"
relating to capital letters which were kept in the top half of a compositor's type case; X and Y and Z etc"