troche
noun
tro·che ˈtrō-kē 
British usually ˈtrōsh
: lozenge sense 3
Word History
Etymology
alteration of earlier trochisk, from Late Latin trochiscus, from Greek trochiskos, from diminutive of trochos wheel
First Known Use
circa 1597, in the meaning defined above
Medical Definition
troche
noun
tro·che
ˈtrō-kē, British usually ˈtrōsh
: lozenge