sparearrangement

noun
UK /ˌspeər əˈreɪndʒmənt/
US /ˌsper əˈreɪndʒmənt/

A spare arrangement is an extra plan you keep ready in case the first one does not work.

We made a spare arrangement to meet at the park if the library was closed.


OTHER MEANINGS

2. An extra set of things placed in a neat order for later use.

She kept a spare arrangement of chairs in the garage for parties.

3. A second agreement made in case the first one fails.

The two companies signed a spare arrangement in case the main deal fell through.

4. An additional musical piece prepared for a concert.

The band practiced a spare arrangement of the song in case the singer was late.