From Longman Dictionary of Contemporary EnglishESLESL /ˌiː es ˈel/ noun [uncountable] SE (English as a Second Language) the teaching of English to people who are living in an English-speaking country but whose first language is not English
Examples from the Corpus
ESL• Where possible a subject specialist who has worked with an ESL tutor or team is also involved.• In 1991 the average ESL student who passed the exam at all-many did not-required two and a half tries.• Unlike the better ESL students, Sabour needed not only a new means to express himself but something more to express.• Many LEAs provided courses in ESL for adult immigrants. 