ˈ ̷ ̷ ̷ ̷ˌgastə(r), ˌ ̷ ̷ ̷ ̷ˈ ̷ ̷ ̷ ̷ noun
Usage: capitalized
Etymology: New Latin, from chaet- + -gaster
: a common widely distributed genus of small transparent oligochaete worms (family Naididae) that are parasites on gastropods or free-living in fresh water