We found 3 dictionaries that define the word knock-out drops:

General (2 matching dictionaries)

1. Knock-out drops: Dictionary.com
2. knock-out drops: FreeDictionary.org

Medicine (1 matching dictionary)

3. online medical dictionary (No longer online)

▸ Words similar to knock-out drops ▸ Usage examples for knock-out drops ▸ Idioms related to knock-out drops ▸ Wikipedia articles (New!) ▸ Words that often appear near knock-out drops ▸ Rhymes of knock-out drops ▸ Invented words related to knock-out drops