Tuesday- Let's learn English

Ambush : a surprise attack from hidden position= The thieves were lying in ambush for their victims
Aimless : having no direction or purpose 
Aileron : a part of the wing on an aircraft that moves up and down to control the aircraft's balance while it is flying
Aide: an assistant to a person
Aground : touching the bottom in shallow water= The tanker went aground
Affable : pleasant and friendly, easy to talk= He found her parents very affable
Aerodrome : a small airport used mainly by private aircraft
Aeon : a very long period of time, many thousands or millions of year= The earth was formed aeons ago