Definitions
1.nounIn production, a hypothetical line that separates items that will be executed and publicized, versus items that will be cut.
2.nounA caption under a photograph, or more narrowly just the explanatory text block under a photograph, excluding the title.
3.nounIn software testing, a hypothetical line that separates tests that will be performed from tests that may not be performed due to lack of time.
4.noun(travel) A linear cleared area through undeveloped land."If you stop and get out, you will see a cutline for line-of-sight surveying."