am ‧ bas ‧ sa ‧ dor /æmˈbæsədə $ -ər/ BrE AmE noun [countable]
[ Date: 1300-1400 ; Language: French ; Origin: ambassadeur , from an unrecorded Medieval Latin ambactiator , from Latin ambactus 'vassal' ]
1 . an important official who represents his or her government in a foreign country
ambassador to
the US ambassador to Spain
2 . someone who represents a particular sport, business etc because they behave in a way that people admire
ambassador for
He has made some good films and he is a good ambassador for the industry.
—ambassadorial /æmˌbæsəˈdɔːriəl/ adjective :
relations at ambassadorial level