'Moonseed' definitions:

Definition of 'moonseed'

From: WordNet
noun
Plant of the family Menispermaceae having red or black fruit with crescent- or ring-shaped seeds

Definition of 'Moonseed'

From: GCIDE
  • Moonseed \Moon"seed`\, n. (Bot.) A climbing plant of the genus Menispermum; -- so called from the crescentlike form of the seeds. [1913 Webster]