knocker contains the following parts

knocker

/'nɑkər/

noun
a device (usually metal and ornamental) attached by a hinge to a door
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Similar:

doorknocker rapper

type of:
device

part of:
front door front entrance
noun
either of two soft fleshy milk-secreting glandular organs on the chest of a woman
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Similar:

boob bosom breast tit titty

type of:
mamma mammary gland

part of:
adult female body woman's body
noun
one who disparages or belittles the worth of something
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Similar:

depreciator detractor disparager

type of:
faultfinder cynic
noun
a person who knocks (as seeking to gain admittance)
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"open the door and see who the knocker is"

type of:
someone somebody person mortal individual soul
noun
(Yiddish) a big shot who knows it and acts that way; a boastful immoderate person
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type of:
big deal big wheel big shot big gun big cheese head honcho big enchilada big fish

Parts of knocker

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