Spares

verb (used with object), spared, sparing.
1.
to refrain from harming or destroying; leave uninjured; forbear to punish, hurt, or destroy:
to spare one’s enemy.
2.
to deal gently or leniently with; show consideration for:
His harsh criticism spared no one.
3.
to save from strain, discomfort, embarrassment, or the like, or from a particular cause of it:
to spare him the bother; to spare her needless embarrassment.
4.
to refrain from, forbear, omit, or withhold, as action or speech:
Spare us the gory details.
5.
to refrain from employing, as some instrument or recourse:
to spare the rod.
6.
to set aside for a particular purpose:
to spare land for a garden.
7.
to give or lend, as from a supply, especially without inconvenience or loss:
Can you spare a cup of sugar? Can you spare me a dollar till payday?
8.
to dispense with or do without:
We can’t spare a single worker during the rush hour.
9.
to use economically or frugally; refrain from using up or wasting:
A walnut sundae, and don’t spare the whipped cream!
10.
to have remaining as excess or surplus:
We can make the curtains and have a yard to spare.
verb (used without object), spared, sparing.
11.
to use economy; be frugal.
12.
to refrain from inflicting injury or punishment; exercise lenience or mercy.
13.
Obsolete. to refrain from action; forbear.
adjective, sparer, sparest.
14.
kept in reserve, as for possible use:
a spare part.
15.
being in excess of present need; free for other use:
spare time.
16.
frugally restricted or meager, as a manner of living or a diet:
a spare regime.
17.
lean or thin, as a person.
18.
scanty or scant, as in amount or fullness.
19.
economical, moderate, or temperate, as persons; sparing.
noun
20.
a spare thing, part, etc., as an extra tire for emergency use.
21.
Ceramics. an area at the top of a plaster mold for holding excess slip.
22.
Bowling.

the knocking down of all the pins with two bowls.
a score so made.
Compare strike (def 69).

verb
1.
(transitive) to refrain from killing, punishing, harming, or injuring
2.
(transitive) to release or relieve, as from pain, suffering, etc
3.
(transitive) to refrain from using: spare the rod, spoil the child
4.
(transitive) to be able to afford or give: I can’t spare the time
5.
(usually passive) (esp of Providence) to allow to survive: I’ll see you again next year if we are spared
6.
(intransitive) (rare) to act or live frugally
7.
(intransitive) (rare) to show mercy
8.
not spare oneself, to exert oneself to the full
9.
to spare, more than is required: two minutes to spare
adjective
10.
(often immediately postpositive) in excess of what is needed; additional: are there any seats spare?
11.
able to be used when needed: a spare part
12.
(of a person) thin and lean
13.
scanty or meagre
14.
(postpositive) (Brit, slang) upset, angry, or distracted (esp in the phrase go spare)
noun
15.
a duplicate kept as a replacement in case of damage or loss
16.
a spare tyre
17.
(tenpin bowling)

the act of knocking down all the pins with the two bowls of a single frame
the score thus made Compare strike (sense 40)