noun
a sac or cyst at the extremity of certain zooids
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The doctor discovered an acrocyst on the patient's foot during the examination.
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I heard that Sarah had to get surgery to remove an acrocyst from her hand.
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I can't believe I have to deal with this stupid acrocyst on my toe.
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The acrocyst of doubt lingered in the back of his mind, causing him to second-guess his decision.