Crossword Genius

Food item not found in the first part of the dictionary? (5)

Ross

I believe the answer is:

pasta

'food' is the definition.
(pasta is a kind of food)

I cannot understand how the remainder of the clue works.

(Other definitions for pasta that I've seen before include "Tapas (anag)" , "E.g. fusilli" , "Course of Italian" , "Staple food of Italian origin" , "shells, perhaps" .)

I've seen this clue in The Guardian.
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