English · Common Verbs
knock
/nɒk/
[/nɒk/]
to hit a door to be let in
Beginnerverb
Definition
Base form of 'knock': to hit a door to be let in.
Example
Please knock on the door gently before you go into the teacher’s office.
Please knock on the door gently before you go into the teacher’s office.
Etymology
From Old English 'cnocian', of imitative origin.
How & Where It’s Used
Used as the dictionary form after 'to' and with most present-tense subjects.