Knock v. i. : To drive or be driven against something; to strike against something; to clash; as, one heavy body knocks against another.

Knock v. i. : To strike or beat with something hard or heavy; to rap; as, to knock with a club; to knock on the door.

Knock v. t. : To strike with something hard or heavy; to move by striking; to drive (a thing) against something; as, to knock a ball with a bat; to knock the head against a post; to knock a lamp off the table.

Knock v. t. : To strike for admittance; to rap upon, as a door.

Knock n. : A blow; a stroke with something hard or heavy; a jar.

Knock n. : A stroke, as on a door for admittance; a rap.

Example:
How can you Knock out a dent in a hard plastic car roof luggage box?

Taxonomy
Knock Shrine, Marian Shrine, Shrine, ireland, County Mayo, Ireland, the Apparition, Co. Mayo, mayo Ireland, accommodation, caravan park, bookshop, personal pilgrimage, sanctuary, Pilgrims Guide, Lady, St. Joseph, St. John the Evangelist, south gable.

Defination from the web:
Ireland's National Marian Shrine which is the site of the Apparition of the Virgin Mary, St. Joseph, and St. John the Evangelist in 1879.