noun, plural knives
[nahyvz] /naɪvz/ (Show IPA)
an instrument for cutting, consisting essentially of a thin, sharp-edged, metal blade fitted with a handle.
a knifelike weapon; dagger or short sword.
any blade for cutting, as in a tool or machine.
verb (used with object), knifed, knifing.
to apply a knife to; cut, stab, etc., with a knife.
to attempt to defeat or undermine in a secret or underhanded way.
verb (used without object), knifed, knifing.
to move or cleave through something with or as if with a knife:
The ship knifed through the heavy seas.
under the knife, in surgery; undergoing a medical operation:
The patient was under the knife for four hours.
noun (pl) knives (naɪvz)
a cutting instrument consisting of a sharp-edged often pointed blade of metal fitted into a handle or onto a machine
a similar instrument used as a weapon
have one’s knife in someone, to have a grudge against or victimize someone
twist the knife, to make a bad situation worse in a deliberately malicious way
(Brit) the knives are out for someone, people are determined to harm or put a stop to someone: the knives are out for Stevens
under the knife, undergoing a surgical operation
verb (transitive)
to cut, stab, or kill with a knife
to betray, injure, or depose in an underhand way

(1.) Heb. hereb, “the waster,” a sharp instrument for circumcision (Josh. 5:2, 3, lit. “knives of flint;” comp. Ex. 4:25); a razor (Ezek. 5:1); a graving tool (Ex. 20:25); an axe (Ezek. 26:9). (2.) Heb. maakeleth, a large knife for slaughtering and cutting up food (Gen. 22:6, 10; Prov. 30:14). (3.) Heb. sakkin, a knife for any purpose, a table knife (Prov. 23:2). (4.) Heb. mahalaph, a butcher’s knife for slaughtering the victims offered in sacrifice (Ezra 1:9). (5.) Smaller knives (Heb. ta’ar, Jer. 36:26) were used for sharpening pens. The pruning-knives mentioned in Isa. 18:5 (Heb. mizmaroth) were probably curved knives.


at gunpoint (knifepoint)
under the knife
you could cut it with a knife


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