Definitions
Metal rings or fittings on doors used to make a knocking sound.
Word origin
From the verb knock + -er, an agentive suffix. The slang term for breasts is attested since the 1940s. For fuller etymology see knock.
Used in a sentence
“[…] from the Rev. Mr. Cannaday, “who winks at you to show that he’s one of the boys,” to the thrice-married Norma Norbridge, “who leans on her knockers instead of her elbows when she sits at a table.””
“I bet her knockers are bigger than any girl in our grade, whaddya think?”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Door ornaments”8 letters
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