in ‧ vad ‧ er /ɪnˈveɪdə $ -ər/ BrE AmE noun [countable]
a soldier or a group of soldiers that enters a country or town by force in order to take control of it:
Invaders ransacked the town.
in ‧ vad ‧ er /ɪnˈveɪdə $ -ər/ BrE AmE noun [countable]
a soldier or a group of soldiers that enters a country or town by force in order to take control of it:
Invaders ransacked the town.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012