Coccobacterium \Coc`co*bac*te"ri*um\, n.; pl. {Coccobacteria}.
[NL., fr. Gr. ? a grain + NL. bacterium. So called from its
round shape.] (Biol.)
One of the round variety of bacteria, a vegetable organism,
generally less than a thousandth of a millimeter in diameter.
[1913 Webster]