conch /ˈkɑːŋk/ /ˈkɑːntʃ/ noun plural conchs /ˈkɑːŋks/ or conches /ˈkɑːntʃəz/ plural conchs /ˈkɑːŋks/ or conches /ˈkɑːntʃəz/ Learner's definition of CONCH
[count]
: a type of shellfish that lives in a large shell which has the form of a spiral海螺；海螺壳
also : the shell of a conch