Definitionen
1.NounA language exercise in which one or more words are replaced with a blank line and the reader is tasked with supplying a valid replacement."The test consisted of fill-in-the-blank sentences."
2.NounA placeholder allowing for any of a variety of possible answers or a single elicited answer.
3.VerbTo complete a single fill in the blank question.
4.VerbTo complete an interruption, ambiguity, or vagueness in understanding, perception, or context.