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1. A slender, pointed instrument or weapon, such as a stiletto.
a. A surgical probe.
b. A fine wire that is run through a catheter, cannula, or hollow needle to keep it stiff or clear of debris.
3. Zoology A small, stiff, needlelike organ or appendage, such as a piercing mouthpart of an aphid or other hemipteran insect.
[French, from Italian stiletto, stiletto; see stiletto.]
1. (Surgery) surgery
a. a wire for insertion into a flexible cannula or catheter to maintain its rigidity or patency during passage
b. a slender probe
2. (Zoology) zoology any small pointed bristle-like part
[C17: from French stilet, from Old Italian stiletto; influenced in spelling by Latin stylus style]
1. a stiletto or dagger.
2. any similar sharp-pointed instrument.
a. a surgical probe.
b. a wire run through the length of a catheter, cannula, or needle to make it rigid or to clear it.