בּוּעַ, (√בע, cmp. נבע, בץ, בט) to swell, burst forth, whence (of sound) to shout, rejoice. Targ. Is. XIV, 7 (h. text פצח). Ib. LXV, 19; a. fr.—Part. f. בְּיָעָא. Ib. 18 (Var. בִּיעָא).