v. i. & i. To rise, or cause to rise, in a swarm or swarms. [ R. ] Shak. Cowper. [ 1913 Webster ]
v. t. To sway or swing aloft; as, to upsway a club. [ R. ] Sir W. Scott. [ 1913 Webster ]
v. i. To swell or rise up. [ 1913 Webster ]