MORV is a Moroccan Arabic morphological lexicon that contains more than 4.5M Moroccan words with rich morphological features such as tense, gender, number, state, etc. The lexicon is built following a rule-based approach leveraging the Moroccan available resources such as MADED and the Moroccan morphemes lexicon MORALEX. This resource is a benefit for building various NLP applications such as spell checking, morphological analysis, and machine translation.