genioglossus

noun
ge·​nio·​glos·​sus | \ -ˈgläs-əs How to pronounce genioglossus (audio) , -ˈglȯs- How to pronounce genioglossus (audio) \
plural genioglossi\ -​ˌī How to pronounce genioglossi (audio) \

Medical Definition of genioglossus

: a fan-shaped muscle that arises from the superior mental spine, inserts on the hyoid bone and into the tongue, and serves to advance and retract and also to depress the tongue

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a usually brief trip or an expedition

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