referenceline
nounUK /ˈrɛfərəns laɪn/
US /ˈrɛfərəns laɪn/
A line you use to check where something is or how it compares.
The teacher drew a reference line on the board so we could keep our letters straight.
RELATED WORDS
OTHER MEANINGS
2. A line in a book or document that tells you where to find more information.
The reference line at the bottom of the page pointed to the next chapter.
3. A fixed line used in maps or drawings to help measure distances.
The map has a reference line running north to south.
4. A line in a computer program that points to another part of the code.
The programmer added a reference line so the function could find the data.