Bláwung

According to the Old English Dictionary:

e;

bláwung

f. [bláwan to blow; flare] A BLOWING; flatus :-- Ðá hét Gedeon his geféran habban heora býman him mid to ðære bláwunge then Gideon commanded his companions to have their trumpets with them for the blowing, Jud. 7, 16. DER. a-bláwung. blawung