Word Study
knock-kneed |
knock-knees |
knock-off |
knock-on effect |
knock-out |
knock-out drops
| knockabout
| knockdown
| knockdown-dragout
| knocked out
| knocked-out
knock-out drops
CIDE DICTIONARY
knock-out drops, n. pl.
Drops of any drug, used to a person to fall asleep or become unconscious or stupefied for the purpose of robbery, etc.; they are usually mixed into a drink so that the person consuming it does so unknowingly. One compound used for this purpose is chloral hydrate . [Webster 1913 Suppl.]
For further exploring for "knock-out drops" in Webster Dictionary Online