SINCE 1828
oligochaete
noun
ol·i·go·chaete
| \ ˈä-li-gō-ˌkēt
, ˈō-; ə-ˈli-gə-\
, ˈō-; ə-ˈli-gə-\
Definition of oligochaete
: any of a class or order (Oligochaeta) of hermaphroditic terrestrial or aquatic annelids (such as an earthworm) that lack a specialized head
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