Naegleria
noun
Nae·gle·ria
| \ nā-ˈglir-ē-ə
\
\
Medical Definition of Naegleria
: a genus of diphasic amoeboid protozoans that are characterized by a predominate amoeboid stage and a minute flagellate stage with two flagella, that occur especially in stagnant water and are often coprozoic, and that include one (N. fowleri) causing meningoencephalitis in humans