The Collaborative International Dictionary
Ecthorea
Ecthoreum \Ec`tho*re"um\, n.; pl. Ecthorea. [NL., fr. Gr. ? to leap out; ek out + ?, ?, to leap, dart.] (Zo["o]l.) The slender, hollow thread of a nettling cell or cnida. See Nettling cell. [Written also ecthor[ae]um.] [1913 Webster] ||
Wiktionary
ecthorea
n. (plural of ecthoreum English)