Meaning of comforter

Definition of comforter

(noun) a person who commiserates with someone who has had misfortune
a person who reduces the intensity (e.g., of fears) and calms and pacifies; "a reliever of anxiety"; "an allayer of fears"
bedding made of two layers of cloth filled with stuffing and stitched together
device used for an infant to suck or bite on

Other information on comforter

WIKIPEDIA results for comforter
Amazon results for comforter