Spi`ro*chae"ta (?), Spi`ro*chae"te (?), n. [L. spira a coil + Gr. hair.] Biol.
A genus of Spirobacteria similar to Spirillum, but distinguished by its motility. One species, the Spirochaete Obermeyeri, is supposed to be the cause of relapsing fever.
© Webster 1913.