1. (Science: zoology) a sexual zooid produced as a medusoid bud upon a hydroid, sometimes becoming a free hydromedusa, sometimes remaining attached. See hydroidea, and Illusts. Of Athecata, Campanularian, and gonosome.
2. (Science: botany) a lengthened receptacle, bearing the stamens and carpels in a conspicuous manner.
Origin: gr. Offspring, seed – to bear.