κρούω

Derivation

apparently a primary verb;

Meaning

to rap

In the King James Version

knock

Translated as

knock (4), knocketh (3), at (1), knocking (1)

Where it appears

Found in 9 verses

Matthew

7:7, 7:8

Luke

11:9, 11:10, 12:36, 13:25

Acts

12:13, 12:16

Revelation

3:20