any undertaking that is easy to do

stable gear consisting of a band around a horse's belly that holds the saddle in place

a form of all fours in which the players bid for the privilege of naming trumps

tie a cinch around

make sure of

get a grip on; get mastery of

medicinal bark of cinchona trees; source of quinine and quinidine

any of several trees of the genus Cinchona

medicinal bark of cinchona trees; source of quinine and quinidine

Peruvian shrub or small tree having large glossy leaves and cymes of fragrant yellow to green or red flowers; cultivated for its medicinal bark

Colombian tree; source of Cartagena bark (a cinchona bark)

Colombian tree; source of Cartagena bark (a cinchona bark)

Peruvian shrub or small tree having large glossy leaves and cymes of fragrant yellow to green or red flowers; cultivated for its medicinal bark

Peruvian shrub or small tree having large glossy leaves and cymes of fragrant yellow to green or red flowers; cultivated for its medicinal bark

small tree of Ecuador and Peru having very large glossy leaves and large panicles of fragrant pink flowers; cultivated for its medicinal bark

small tree of Ecuador and Peru having very large glossy leaves and large panicles of fragrant pink flowers; cultivated for its medicinal bark

an alkaloid derivative of the bark of cinchona trees that is used as an antimalarial drug