Webster's English Dictionary

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salmonella

sal.mo.nel.la \.sal-m*-'nel-*\ \-'nel-(.)e-, -.i-\ \-.nel-'o--s*s\ n or 
   salmonellas or salmonella also sal.mo.nel.lae [NL, genus name, fr. Daniel 
   E. Salmon -1914 Am veterinarian] pl  : any of a genus (Salmonella) of 
   aerobic rod-shaped usu. motile bact eria that are pathogenic for man and 
   other warm-blooded animals and cause food poisoning, gastrointestinal 
   inflammation, or diseases of the genital tract - sal.mo.nel.lo.sis n