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knife

 - 6 dictionary results

knife

  [nahyf] noun, plural knives  [nahyvz] , verb, knifed, knif⋅ing.
Use knife in a Sentence
–noun
1. an instrument for cutting, consisting essentially of a thin, sharp-edged, metal blade fitted with a handle.
2. a knifelike weapon; dagger or short sword.
3. any blade for cutting, as in a tool or machine.
–verb (used with object)
4. to apply a knife to; cut, stab, etc., with a knife.
5. to attempt to defeat or undermine in a secret or underhanded way.
–verb (used without object)
6. to move or cleave through something with or as if with a knife: The ship knifed through the heavy seas.
—Idiom
7. under the knife, in surgery; undergoing a medical operation: The patient was under the knife for four hours.
Origin:
bef. 1100; ME knif, OE cnīf; c. D knijf, G Kneif, ON knīfr

Related forms:
knifelike, adjective
knifer, noun

Knife River

 
–noun
a river in W central North Dakota, flowing E to the Missouri River. 165 mi. (265 km) long.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To knife
knife   (nīf)   
n.   pl. knives (nīvz)

  1. A cutting instrument consisting of a sharp blade attached to a handle.

  2. A cutting edge; a blade.

v.   knifed, knif·ing, knifes

v.   tr.

  1. To use a knife on, especially to stab; wound with a knife.

  2. Informal To betray or attempt to defeat by underhand means.

v.   intr.
To cut or slash a way through something with or as if with a knife: The boat knifed through the waves.

[Middle English knif, from Old English cnīf, from Old Norse knīfr.]
knif'er n.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: knife
Pronunciation: 'nIf
Function: noun
Inflected Form: plural knives /'nIvz/
1 : any of variousinstruments used in surgery primarily to sever tissues: as a : a cutting instrument consisting of a sharp blade attached to a handle b : an instrument that cuts bymeans of an electrical current
2 : SURGERY 3 —usually used in the phrase under the knifeknife this morning> knife>
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Bible Dictionary

Knife

(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.

Easton's 1897 Bible Dictionary
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Idioms & Phrases

knife

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

The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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