noun
One who, or that which, raps or knocks.
(music) A performer of rap music, or someone who raps in any form of music.
(obsolete, Scotland) A sword.
A flexible strip of metal, 45-60cm long, with handles at each end, used for Northumbrian rapper sword dancing.
A mechanical, or later electric, signalling device formerly used in the mines of north-eastern England to signal to the engineman that the cages carrying men or coals up and down the shaft were ready to be raised or lowered.
(colloquial, dated) A bold lie; a whopper.
(colloquial, dated) A loud oath.