We found 13 dictionaries that define the word boundary line:

General (9 matching dictionaries)

1. boundary line: Collins English Dictionary
2. boundary line: Vocabulary.com
3. boundary-line: Wordnik
4. boundary line: Infoplease Dictionary
5. boundary line: Dictionary.com
6. boundary line: Rhymezone
7. boundary line: FreeDictionary.org
8. boundary line: Mnemonic Dictionary
9. boundary line: TheFreeDictionary.com

Business (1 matching dictionary)

10. boundary line: Legal dictionary

Computing (1 matching dictionary)

11. boundary line: Encyclopedia

Slang (1 matching dictionary)

12. Boundary Line: Urban Dictionary

Sports (1 matching dictionary)

13. Boundary line: Sports Definitions

(Note: See boundary_lines as well.)

Definitions from WordNet (boundary line) ▸ noun:  a line that indicates a boundary Opposite: border, frontier, perimeter, limit, edge Types: property line, state line, national boundary, county line, city line, more... Phrases: Inter-Entity Boundary Line, more... ▸ Words similar to boundary line ▸ Usage examples for boundary line ▸ Idioms related to boundary line ▸ Wikipedia articles (New!) ▸ Words that often appear near boundary line ▸ Rhymes of boundary line ▸ Invented words related to boundary line