Noun
(by extension)
(zoology) A colony of unicellular organisms (such as protozoa) which acts as a single organism.
Source: en.wiktionary.orgThey were subject to an abbot, and observed a common rule.sfn Great Lavra, Mount Athos The lay out of the monastic coenobium was influenced by a number of factors. Source: Internet
The daughter colonies are initially held within the parent coenobium and have their flagella directed inwards. Source: Internet