Definition: A learner's dictionary is a dictionary specially prepared to help a person acquiring a new language to master the use of words, compounds and idioms, together with their pronunciation, spelling, and meaning.

Source: http://www.euralex.org/elx_proceedings/Euralex1983/035_James%20S.%20Mdee%20%20(Dar%20es%20Salaam)%20-%20Constructing%20an%20entry%20in%20a%20learners%20dictionary%20of%20Standard%20.pdf.

Context: We take it for granted that the main goal of a corpus-based learner's dictionary is to provide learners with relevant, idiomatic and useful information that will help them setting up native-like links between words and meanings.

Source: http://www.euralex.org/elx_proceedings/Euralex2006/

028_2006_V1_Carita%20PARADIS,%20Caroline%20WILLNERS_What%20a%20Co

rpus_Based%20Dictionary%20Tells%20us%20about%20Antonymy.pdf.

Translation: Dicionário de Aprendiz.

Source: http://www.linguee.pt/portugues-ingles/search?source=ingles&query=learner%27s+dictionary+.

Pronunciation: http://oald8.oxfordlearnersdictionaries.com/dictionary/learner.

http://oald8.oxfordlearnersdictionaries.com/dictionary/dictionary.