'ecthoraeum' definitions:

Definition of 'ecthoraeum'

From: GCIDE

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]