fill-in
noun
High School
1
A temporary replacement for another, especially at a job.
2
A substitution.
3
An intermediate result that must be stored temporarily during the course of a sparse matrix computation.
4
A question or puzzle in which one is expected to fill in a missing part of something.
5
A musical embellishment (usually percussion) that is added to connect musical phrases.
6
Something added to fill a gap.
7
Something added to increase the size of something; padding or filler.
8
A product category that is used to complete a range or variety of a product line.