Catcher behind a plate? (3)
I believe the answer is:
bib
'catcher behind a plate?' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for bib that I've seen before include "What may catch food" , "Tempest airy spirit" , "Protective clothing - fish" , "Child's garment protector when eating" , "Palindromic protective cloth put under baby's chin while eating" .)