| knife | Origin: OE. Knif, AS. Cnif; akin to D. Knijf, Icel. Knifr, Sw. Knif, Dan. Kniv. 1. An instrument consisting of a thin blade, usually of steel and having a sharp edge for cutting, fastened to a handle, but of many different forms and names for different uses; as, table knife, drawing knife, putty knife, pallet knife, pocketknife, penknife, chopping knife, etc. /as>. 2. A sword or dagger. "The coward conquest of a wretch's knife. <botany>" (Shak) Knife grass a tropical American sedge (Scleria latifolia), having leaves with a very sharp and hard edge, like a knife. War to the knife, mortal combat; a conflict carried to the last extremity. 1. <botany> To prune with the knife. 2. To cut or stab with a knife. Origin: Knifed; Knifing. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| knife needle | A very narrow, needle-pointed knife used in discission of a cataract. Synonym: cataract needle. (05 Mar 2000) |
| knife-rest crystal | A crystal of ammoniomagnesium phosphate found in alkaline urine. (05 Mar 2000) |
| fistula knife | A long, thin-bladed, probe-pointed knife for slitting open a fistula. Synonym: fistula knife, syringotome. Origin: fistula + G. Tome, a cutting (05 Mar 2000) |
| free-hand knife | A manually operated knife or blade usually used to take split-thickness skin grafts; e.g., Blair-Brown knife, Humby knife, Theirsh knife. (05 Mar 2000) |
| lenticular knife | A scraper resembling a sharp spoon. (05 Mar 2000) |
| localizing electrode | A small electrode whose exciting effect is used to stimulate or record potentials from a localised area. Synonym: exciting electrode, localizing electrode, therapeutic electrode. (05 Mar 2000) |