Crossword Genius

Stratum (5)

Ross

I believe the answer is:

layer

<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">stratum</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>

(Other definitions for layer that I've seen before include "Source of eggs" , "Early (anag.)" , "One producing eggs" , "(Separate) level" , "Film" .)

I've seen this clue in The Independent, the King Feature Syndicate, The Mirror, The Times, the Sydney Morning Herald, the Evening Standard, the Penny Press, The Irish Times and The Telegraph.
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