To insert a morpheme inside an existing word.
To instill.
A morpheme that always appears between other morphemes in a word, such as -i- and -o- in English (i.e. an interfix).
A morpheme inserted inside an existing word, such as -bloody- in English.
To introduce (something) between other things; especially to insert (possibly spurious) words into a text.
During the course of processing some data, and in response to a directive in that data, to fetch data from a different source and process it in-line along with the original data.
To estimate the value of a function between two tabulated points.