kept for use when needed; additional to what is being or will be used; a spare part (for a machine or engine); (to agree) to avoid hurting, punishing, destroying, (a person, building etc)
extra, reserve
Cases of word usage
1) to spare or find enough money or time (for something) (afford)
2) something left over; spare piece (oddment)
3) kept for use when needed; additional to what is being or will be used; a spare part (for a machine or engine); (to agree) to avoid hurting, punishing, destroying, (a person, building etc) (spare)