A writ restraining a person from leaving the area of the court's jurisdiction without licence.
The writ is now little used in any common law jurisdiction.
ne exeat regno/ˌneɪ ɛksɪat ˈrɛɡnəʊ/ /ˌniː ɛksɪat ˈrɛɡnəʊ/
Early 17th century; earliest use found in Thomas Middleton (d. 1627), playwright. From post-classical Latin ne exeat regno ‘let him not go out of the kingdom’ from classical Latin nē + exeat, 3rd singular present subjunctive of exīre + regno, ablative singular of regnum.