1.an extra component of a machine or other apparatus
2.an extra car wheel and tire for a four-wheel vehicle
3.a score in tenpins; knocking down all ten after rolling two balls
4.thin and fit;
the spare figure of a marathon runner
5.more than is needed, desired, or required;
trying to lose excess weight
6.just sufficient;
the library had a spare but efficient look
7.not taken up by scheduled activities;
a free hour between classes
8.kept in reserve especially for emergency use;
a reserve supply of food
9.lacking in amplitude or quantity;
a bare livelihood
1.refrain from harming
2.save or relieve from an experience or action;
I'll spare you from having to apologize formally
3.give up what is not strictly needed;
he asked if they could spare one of their horses to speed his journey
4.use frugally or carefully