siphonanth

noun
si·phon·anth | \ ˈsīfəˌnan(t)th \
plural -s

Definition of siphonanth 

: a feeding zooid of a compound siphonophore

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History and Etymology for siphonanth

back-formation from obsolete English siphonanthous of or belonging to the siphonophoran suborder Siphonanthae, from New Latin Siphonanthae (from siphon- + -anthae —feminine plural of -anthus) + English -ous

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