■ noun ( plural ~s )
1》 a domesticated hoofed mammal of the horse family with long ears and a braying call. [ Equus asinus .]
2》 informal a foolish person.
3》 (also ~ stool ) a low stool astride which an artist sits.
Phrases
~'s years Brit. informal a very long time.
Origin
C18: perh. from dun 1 , or from the given name Duncan .