- to strike smartly; rap.
- to break off abruptly.
- to chip or become chipped, as a flint or stone.
- to bite suddenly or quickly.
Origin of knap2
1425–75; late Middle English; cognate with Dutch knap (noun), knappen (v.) crack; orig. imitative
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for knapper
He got a packet in the knapper this morning, and he's already on his way to Blighty.Dastral of the Flying Corps
- dialect the crest of a hill
Old English cnæpp top; compare Old Norse knappr knob
- (tr) dialect to hit, hammer, or chip
C15 (in the sense: to strike with a sharp sound): of imitative origin; compare Dutch knappen to crack
Word Origin and History for knapper
"to strike with a sharp sound," late 15c., echoic. Earlier (c.1400) as a noun meaning "abrupt stroke." Related: Knapped; knapping.
Online Etymology Dictionary, © 2010 Douglas Harper