a score in tenpins; knocking down all ten after rolling two balls;
an extra car wheel and tire for a four-wheel vehicle;
an extra component of a machine or other apparatus;
use frugally or carefully;
give up what is not strictly needed; "he asked if they could spare one of their horses to speed his journey";
refrain from harming;
save or relieve from an experience or action; "I''ll spare you from having to apologize formally";
lacking in amplitude or quantity; "a bare livelihood"; "a scanty harvest"; "a spare diet";
thin and fit; "the spare figure of a marathon runner"; "a body kept trim by exercise";
more than is needed, desired, or required; "trying to lose excess weight"; "found some extra change lying on the dresser"; "yet another book on heraldry might be thought redundant"; "skills made redundant by technological advance"; "sleeping in the spare;
kept in reserve especially for emergency use; "a reserve supply of food"; "a spare tire"; "spare parts";
not taken up by scheduled activities; "a free hour between classes"; "spare time on my hands";
just sufficient; "the library had a spare but efficient look";