gag reflex is a noun meaning "normal reflex consisting of retching; may be produced by touching the soft palate in the back of the mouth". It carries one recorded sense.
normal reflex consisting of retching; may be produced by touching the soft palate in the back of the mouth
Definitions, synonyms and semantic relations for gag reflex come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.