Biol. passing the entire life cycle on one host, as certain parasites do, esp. rust fungi
Origin of autoeciousauto- + Classical Greek oikos, house (see economy) + -ous
Spending all stages of the life cycle on the same host. Used of parasites.
Origin of autoeciousFrom auto- Greek oikos house ; see weik-1 in Indo-European roots.
(comparative more autoecious, superlative most autoecious)
auto- + -oecious