BOUN'CING, participle present tense Leaping; bounding with violence, as a heavy body; springing out; thumping with a loud noise; boasting; moving with force, as a heavy bounding body. BOUN'CING, adjective Stout; strong; large and heavy; a customary sense in the United States; as a bouncing lass.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI