poster child

1. 1.

   a child afflicted by some disease or deformity whose picture is used on posters to raise money for charitable purposes

   “she was the poster child for muscular dystrophy”

   Broaderchild

   Narrowerposter boyposter girl

Questions about poster child

What does poster child mean?

poster child means "a child afflicted by some disease or deformity whose picture is used on posters to raise money for charitable purposes".

Is poster child a common word?

poster child is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.