Swarm

Chamber's Twientieth Century Dictionary · 1908 · p. 106

swawrm, n. a body of humming or buzzing insects: a cluster of insects, esp. of bee: a great number: throng.— v.i. to gather as bees: to appear in a crowd: to throng: to abound: to breed multitudes.— v.t. to cause to breed in swarms. [A.S. swearm ; Ger. schwarm ; from the same root as Ger. schwirren .]