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The Collaborative International Dictionary
Strobilation

Strobilation \Strob`i*la"tion\, n. (Zo["o]l.) The act or phenomenon of spontaneously dividing transversely, as do certain species of annelids and helminths; transverse fission. See Illust. under Syllidian.

Wiktionary
strobilation

n. (context biology English) A form of asexual reproduction by division into body segments, as in tapeworms and jellyfish

Wikipedia
Strobilation

Strobilation or transverse fission is a form of asexual reproduction consisting of the spontaneous transverse segmentation of the body. It is observed in certain cnidarians and helminths. This mode of reproduction is characterized by high offspring output, which, in the case of the parasitic tapeworms, is of great significance.