Longman Dictionary of Contemporary English
vote of thanks
noun
EXAMPLES FROM CORPUS
▪ A special vote of thanks was given on behalf of Adult Education in Kingston.
▪ A special vote of thanks went to the organiser, Graham Davies.
▪ Chairman Gerald Davies proposed a vote of thanks.
▪ Congress formally passed a vote of thanks to the new president.
▪ For this alone, Gould deserves a vote of thanks.
▪ I did listen to him proposing a vote of thanks occasionally, and I was always glad when he sat down.
▪ Jim Bamford gave the vote of thanks on behalf of the fellowship.
▪ Then Ramsey rose to second the vote of thanks.
Wiktionary
vote of thanks
n. An often informal vote to thank some chairman or other officer of an organization for the work he has done on the organization's behalf; sometimes ending with the presentation of a gift