iceberg lettuce
Longman Dictionary of Contemporary English 5++LDOCE 5++ˌiceberg ˈlettuce noun [countable, uncountable] DFFa firm round pale green lettuce 卷心[球叶]莴苣
Examples from the Corpus
iceberg lettuce• He must buy a head of iceberg lettuce, a red pepper, a red onion, and some parsley.ˌiceberg ˈlettuce nounChineseSyllable
Corpus green lettuce firm a pale round

