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The singular form for a single piece of macaroni.
Sam was so obsessed with calculating his daily calorie intake that he calculated the exact number of macaronus that he ate every day.
by Warrior Of IHS November 27, 2016
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2
As stated in a video by a youtuber named Jacksfilms a macaronus is the singular form/non plural form for macaroni
"Who wants the last macaronus" -Nepal
by HunterHK47 June 03, 2019
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