Synonyms:
insertion, introduction, intromission
Meaning: the act of putting one thing into another
Synonyms:
interpolation, insertion
Meaning: a message (spoken or written) that is introduced or inserted; "with the help of his friend's interpolations his story was eventually told"; "with many insertions in the margins"
Usage examples
TAIL--The tail should not be too long, strong at the insertion, and gradually tapering towards the end, free from coarseness.
It will be seen, in the first place, that this check is written very plainly, and that there is no room for the insertion of extra figures or words.