We found 6 dictionaries that define the word had a lock on:

General (1 matching dictionary)

1. had a lock on: TheFreeDictionary.com

Business (2 matching dictionaries)

2. had a lock on: Legal dictionary
3. had a lock on: Financial dictionary

Computing (1 matching dictionary)

4. had a lock on: Encyclopedia

Medicine (1 matching dictionary)

5. had a lock on: Medical dictionary

Miscellaneous (1 matching dictionary)

6. had a lock on: Idioms

▸ Words similar to had a lock on ▸ Usage examples for had a lock on ▸ Idioms related to had a lock on ▸ Wikipedia articles (New!) ▸ Words that often appear near had a lock on ▸ Rhymes of had a lock on ▸ Invented words related to had a lock on