sō
Noun
#3439
stratum, social class, layer
1. upper stratum (classes, stories, storeys); upper layer
1. class; level
1. depths; deep level
1. age range; age-group
1. multistoried; multilayered
1. lower layer; layer beneath
2. lower strata (classes)
1. wealthy people; the rich
1. bottom layer; undermost layer
2. lowest (societal) class; bottom (economic) stratum