cul-de-sac /ˈkʌldɪˌsæk/ noun plural cul-de-sacs /ˈkʌldɪˌsæks/ also culs-de-sac /ˈkʌlzdɪˌsæk/ plural cul-de-sacs /ˈkʌldɪˌsæks/ also culs-de-sac /ˈkʌlzdɪˌsæk/ Learner's definition of CUL-DE-SAC
[count]
: a street that is designed to connect to another street only at one end死胡同;死巷