[zo.oe.ci.um] or zo.e.ci.um n, pl -cia [NL, fr. zo- + Gk oikia house--more at vicinity] (1880): a sac or chamber secreted and lived in by a bryozoan zooid
ZOOECIUM
Meaning of ZOOECIUM in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012