Quinine

Quinine, an alkaloid obtained from the bark of several species of the cinchona tree and others, and which is employed in medicine specially as a ferbrifuge and a tonic.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Quinet, Edgar * Quinisext
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Quietism
Quilimane
Quilon
Quimper
Quin, James
Quinault
Quincey, De
Quincy
Quincy, Josiah
Quinet, Edgar
Quinine
Quinisext
Quinquagesima Sunday
Quinsy
Quintana, Manuel José
Quintette
Quintilian, Marcus Fabius
Quipo
Quirinal
Quirites
Quito