The Lojban dictionary is multilingual: the Lojban words have definitions translated into many languages.
The Lojban dictionary is prescriptive, unlike the descriptive dictionaries for most natural languages. See "dictionary" on the Lojban.org website for more information.
The Lojban dictionary is editable by its users if they have made an account on the site. No user account is necessary to view Lojbanic word definitons.
Many other dictionaries and tools are based on la.jbovlaste.; refer to the Lojban website for more information.
The Lojban wiki page devoted to jbovlaste is https://mw.lojban.org/papri/la_jbovlaste