Definition of cycadeoid
: any of a division (Cycadeoidophyta syn. Bennettitophyta) of extinct Jurassic to Cretaceous gymnosperms that differ from the cycadophytes chiefly in having the reproductive organs on the trunk embedded in a thick covering of bracts and scales
Origin of cycadeoid
New Latin Cycadeoidales, group name, ultimately from Cycad-, Cycas
First Known Use: 1860
Learn More about cycadeoid
Britannica.com: Encyclopedia article about "cycadeoid"
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