The Collaborative International Dictionary
Oothecae
Ootheca \O`["o]*the"ca\, n.; pl. O["o]thec[ae]. [NL., fr. Gr. w,'o`n an egg + ? a case.] (Zo["o]l.) An egg case, especially those of many kinds of mollusks, and of some insects, as the cockroach. Cf. O[oe]cium.
Wiktionary
oothecae
n. (plural of ootheca English)
WordNet
oothecae
See ootheca