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Definition of: ootheca
(ō′ə·thē′kə) noun plural ·cae (-sē)
1. Entomol. The egg case of certain insects, as of a cockroach.
2. Bot. In ferns, a sporangium. [<NL <Gk. ōon an egg + thēkē a case]
—o′o·the′cal adjective
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