English ⇄ Chinese Danish Dutch English Finnish French German Greek Italian Japanese Latvian Portuguese Russian Serbian Latin Spanish Swedish Ukrainian

English thesaurus
free area
avia., Canada	An area of defined dimensions within which the flight of an aircraft, under certain conditions, does not normally require aircraft movement information service AMIS action

free area: 7 phrases in 6 subjects

Agriculture	1
Commerce	1
Construction	1
Economy	2
General	1
Law	1