Noun

(en noun)

One who taps

* Charles Dickens, The Pickwick Papers

A low tap was heard at the room door. Mr. Bob Sawyer looked expressively at his friend, and bade the tapper come in

A tap-dancer

A phone tapper or wiretapper

(US) A tapster

(telegraphy) In early wireless telegraphs, a device used to shake loose the filings of a coherer.

(UK, dialect) The lesser spotted woodpecker.

Noun

(en noun)

Something that is on top.

* {{quote-news, year=2009, date=January 26, author=Cameron Adams, title=Sniffer dogs have their Big Day Out, work=Herald Sun citation

, passage=UK act the Prodigy will headline the Boiler Room, with chart toppers the Ting Tings playing at 2.15pm on the green stage.}}

A top hat.

Something for removing the top of something.

* {{quote-news, year=2007, date=October 14, author=Amanda Hesser, title=2000: Le Bernardin’s Croque-Monsieur, work=New York Times citation

, passage=The only problem is that the best egg toppers , which are different from egg cutters, are an investment — the Inox professional egg topper is $55 at surlatable.com .}}

Something that exceeds those previous in a series, as a joke or prank.

A single-handed dinghy, 11 foot (3.6 metres) in length, with only one sail.

Head, chief.

(dated, slang) A fine or remarkable person.

Noun