Emily Dickinson Lexicon

BLARE, v.i. [Old Belgic blaren; Teut. blarren; L. ploro, to cry out, to bawl, to weep; Ir. blor, or glor, a noise, or voice. The radical sense is to shoot or drive forth, or to spread.]

1. To roar; to bellow. [Little used.] – Johnson.
2. To sweat or melt away, as a candle. – Bailey. This is, I believe, usually called flare.