Neisseria
noun
Neis·se·ria
nī-ˈsir-ē-ə 
: a genus (the type of the family Neisseriaceae) of parasitic bacteria that grow in pairs and occasionally tetrads, thrive best at 98.6°F (37°C) in the animal body or serum media, and include the gonococcus (N. gonorrhoeae) and meningococcus (N. meningitidis)
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“Neisseria.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Neisseria. Accessed 8 Jul. 2025.
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