Answer: stratum

AnswerCrossword Clue
STRATUM

Social layer

STRATUM

Layer

STRATUM

Bedrock, e.g.

STRATUM
Level
STRATUM
Rock layer
STRATUMCloud layer
STRATUMEchelon
STRATUMCaste
STRATUMRank
STRATUMSheetlike mass of rock.
STRATUMPart of society.
STRATUMSocial layer.
STRATUMLayer.
STRATUMHorizontal layer.
STRATUMSheet of rock
STRATUMRock unit
STRATUMSocial level