[spi.ril.lum] n, pl -ril.la [NL, fr. dim. of L spira coil] (ca. 1875): any of a genus (Spirillum) of long curved bacteria having tufts of flagella; broadly: a spiral filamentous bacterium (as a spirochete)
SPIRILLUM
Meaning of SPIRILLUM in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012