What part of speech is "the feeling grew until the atmosphere in the courtroom was exactly the same as a cold February morning, when the mockingbirds were still..."

The part of speech is a Simile

Explanation:

This phrase from 'To Kill a Mockingbird' by Harper Lee uses a Simile. This is a part of speech which draws a comparison between any two elements. In this case these two elements are the courtroom and a cold February morning. They are being compared because of similarity in the cold silence and gloominess of both elements.

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