from
The Collaborative International Dictionary of English v.0.48
Knap \Knap\, v. t. [imp. & p. p. {Knapped}; p. pr. & vb. n.
{Knapping}.] [D. knappen to chew, bite, crack, take hold of;
prob. of imitative origin.]
1. To bite; to bite off; to break short. [Obs. or Prov. Eng.
]
[1913 Webster]
He will knap the spears apieces with his teeth.
--Dr. H. More.
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He breaketh the bow, and knappeth the spear in
sunder. --Ps. xlvi. 9
(Book of
Common
Prayer.)
[1913 Webster]
2. To strike smartly; to rap; to snap. [Chiefly Brit.]
--Bacon.
[1913 Webster]