zooecium

noun
zo·​oe·​ci·​um | \zō-ˈē-shē-əm \
variants: or less commonly zoecium
plural zooecia also zoecia\ zō-​ˈē-​shē-​ə \

Definition of zooecium 

: a sac or chamber secreted and lived in by a bryozoan zooid

First Known Use of zooecium

1871, in the meaning defined above

History and Etymology for zooecium

New Latin, from zo- + Greek oikia house — more at vicinity

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The first known use of zooecium was in 1871

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