noun ac·ro·cyst \ˈa-krō-ˌsist\

Definition of acrocyst



  1. :  a chitinous cystlike expansion of the gonophore at the top of the gonotheca in certain hydroids

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Origin and Etymology of acrocyst

acr- + -cyst

First Known Use: 1864

Seen and Heard

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to cast off or become cast off

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