Bread for a pastrami sandwich (3)

I believe the answer is:

rye

(Other definitions for rye that I've seen before include "Grain - whiskey - port" , "J D Salinger novel 'The Catcher in the ...'" , "Cereal grain" , "One of Cinque Ports" , "Cereal plant; whisky" .)

I've seen this clue in The New York Times and the Universal.

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