knock

From Wiktionary
knock is one of the 1000 most common headwords.
kitchen - knock - know

Pronunciation[change]

Noun[change]

Singular
knock

Plural
knocks

  1. A sound from something hard hitting wood.
  2. An impact.

Verb[change]

Plain form
knock

Third-person singular
knocks

Past tense
knocked

Past participle
knocked

Present participle
knocking

  1. When you knock on something, you hit your knuckles onto it repeatedly.
    She knocked on my door three times before I opened it.
  2. When you knock something, you hit it, often accidentally.