It means to grieve, to cause shame, to embarrass, to grieve, to blush, to embarrass. It is also the cosmetic action of women consisting of coloring their cheeks with blush.
Blush: vb. 1 cause flushing or blushing in a person. Synonym: blush. 2 produce some fact or a comment a feeling of shame in a person, which is evident because the embarrassed person's face will turn red or pale color.