Definition of ootheca in English:

ootheca

Syllabification: o·o·the·ca
Pronunciation: /ˌōəˈTHēkə
 
/

noun (plural oothecae /-ˌsē, -ˌkē/)

Entomology
The egg case of cockroaches, mantises, and related insects.

Origin

mid 19th century: from oo- 'of an egg' + Greek thēkē 'receptacle'.

Definition of ootheca in:

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Word of the day anomalous
Pronunciation: əˈnämələs
adjective
deviating from what is standard, normal, or expected