from
The Collaborative International Dictionary of English v.0.48
Malarial \Ma*la"ri*al\, Malarian \Ma*la"ri*an\, Malarious
\Ma*la"ri*ous\, a.
Of or pertaining, to or infected by, malaria.
[1913 Webster]
{Malarial fever} (Med.), a fever produced by malaria, and
characterized by the occurrence of chills, fever, and
sweating in distinct paroxysms, At intervals of definite
and often uniform duration, in which these symptoms are
wholly absent (intermittent fever), or only partially so
(remittent fever); fever and ague; chills and fever.
[1913 Webster] malaria mosquito