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Cycadeoidea

noun
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Cy·​cad·​e·​oi·​dea

Definition of Cycadeoidea

: a genus of extinct gymnospermous plants of the Mesozoic era (family Cycadeoidaceae) having short stout trunks embedded with reproductive cones and covered in spirally arranged leaf bases and topped by a crown of large leaves with many divisions

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History and Etymology for Cycadeoidea

New Latin, from Cycadeae (subfamily of Cycadaceae) (formerly used as synonym of Cycadaceae) (from Cycad-, Cycas, type genus + -eae) + -oidea

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Cite this Entry

“Cycadeoidea.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/Cycadeoidea. Accessed 11 December 2019.

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