
1) Break a small piece off from 2) Break off 3) Break stone 4) Break with a quick blow 5) Chip stone 6) Crest of a small hill 7) Dorset slang for a small hill 8) Kind of sack 9) Prefix for sack 10) Sack attachment 11) Sack lead-in 12) Sack opening 13) Sack preceder 14) Sack start 15) Sack starter 16) Shape flints
Found on
https://www.crosswordclues.com/clue/knap

• (n.) A sharp blow or slap. • (n.) A protuberance; a swelling; a knob; a button; hence, rising ground; a summit. See Knob, and Knop. • (v. i.) To make a sound of snapping. • (v. t.) To strike smartly; to rap; to snap. • (v. t.) To bite; to bite off; to break short.
Found on
http://thinkexist.com/dictionary/meaning/knap/
Knap intransitive verb To make a sound of snapping.
Wiseman. Found on
http://www.encyclo.co.uk/webster/K/13
Knap noun [ Anglo-Saxon
cnæp ,
cnæpp , top, knob, button; confer Icelandic
knappr knob, Swedish
knapp , Danish
knap button, W., Gael., & Ir.
cnap knob, button, and English
knop .] A protuberance; a swelling; a knob; a button; hence, rising ground; a ...
Found on
http://www.encyclo.co.uk/webster/K/13
Knap transitive verb [
imperfect & past participle Knapped ;
present participle & verbal noun Knapping .] [ Dutch
knappen to chew, bite, crack, take hold of; probably of imitative origin.]
1. To bite; to bite off; to break ...
Found on
http://www.encyclo.co.uk/webster/K/13

Knap is Dorset slang for a small hill.
Found on
http://www.probertencyclopaedia.com/browse/ZK.HTM

a crest or summit of a small hill.
Found on
https://www.infoplease.com/dictionary/knap
No exact match found.