oesophagostome

noun
oe·​soph·​a·​go·​stome
variants: also esophagostome \ i-​ˈsäf-​ə-​gə-​ˌstōm How to pronounce esophagostome (audio) \

Medical Definition of oesophagostome

: a nematode worm of the genus Oesophagostomum