acrorhagus

noun

ac·​ro·​rha·​gus

ˌa-krə-ˈrā-gəs

plural acrorhagi

ˌa-krə-ˈrā-ˌjī,

-ˌgī

: one of a series of marginal tubercles found on certain sea anemones each consisting of a local accumulation of nematocysts

Word History

Etymology

New Latin, from acr- + -rhagus (irregular from Greek rhag-, rhax berry)

First Known Use

1889, in the meaning defined above

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