Definition of Trepan

1. Noun. A surgical instrument used to remove sections of bone from the skull.

Exact synonyms: Trephine
Generic synonyms: Surgical Instrument
Derivative terms: Trephine



2. Verb. Cut a hole with a trepan, as in surgery.
Category relationships: Operation, Surgery, Surgical Operation, Surgical Procedure, Surgical Process
Generic synonyms: Bore, Drill

3. Noun. A drill for cutting circular holes around a center.
Generic synonyms: Drill

Definition of Trepan

1. n. A crown-saw or cylindrical saw for perforating the skull, turned, when used, like a bit or gimlet. See Trephine.

2. v. t. & i. To perforate (the skull) with a trepan, so as to remove a portion of the bone, and thus relieve the brain from pressure or irritation; to perform an operation with the trepan.

3. n. A snare; a trapan.

4. v. t. To insnare; to trap; to trapan.

Definition of Trepan

1. Noun. A tool used to bore through rock when sinking shafts. ¹

2. Noun. (medicine) A surgical instrument used to remove a circular section of bone from the skull; a trephine. ¹

3. Verb. (transitive manufacturing mining) To create a large hole by making a narrow groove outlining the shape of the hole and then removing the plug of material remaining by less expensive means. ¹

4. Verb. (medicine) To use a trepan; to trephine. ¹

5. Noun. (archaic) A trickster. ¹

6. Verb. (archaic) To trick; to ensnare; to seduce. ¹

¹ Source: wiktionary.com

Definition of Trepan

1. to trephine [v -PANNED, -PANNING, -PANS] - See also: trephine

Medical Definition of Trepan

1. 1. A crown-saw or cylindrical saw for perforating the skull, turned, when used, like a bit or gimlet. See Trephine. 2. A kind of broad chisel for sinking shafts. Origin: F. Trepan (cf. Sp. Trepano, It. Trepano, trapano), LL. Trepanum, fr. Gr. A borer, auger, trepan, fr. To bore, a hole. Cf. Trephine. To perforate (the skull) with a trepan, so as to remove a portion of the bone, and thus relieve the brain from pressure or irritation; to perform an operation with the trepan. Origin: Cf. F. Trepaner. See Trepan a saw. Source: Websters Dictionary (01 Mar 1998)

Trepan Pictures

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Lexicographical Neighbors of Trepan

trendspotters
trendspotting
trendwatcher
trendwatchers
trendy
trenette
trenise
trenises
trental
trentals
trente-et-quarante
trenton period
treosulfan
trepan (current term)
trepanation
trepanations
trepaned
trepang
trepangs
trepaning
trepanned
trepanner
trepanners
trepanning
trepans
trepeget
trephination
trephinations

Literary usage of Trepan

Below you will find example usage of this term as found in modern and/or classical literature:

1. The London Medical Gazette (1840)
"Of these, in eight the trepan accommodate itself to the compression. v itfa rigen lucre was an irregular pulse ; lore or less intense headache, ..."

2. Appletons' Cyclopædia of Applied Mechanics: A Dictionary of Mechanical by Appleton, firm, publishers, New York (1880)
"The small trepan is formed of two distinct portions—the blade and its stem. The first is made of a solid block of forged iron, into the lower portion of ..."

3. Observations on Surgical Diseases of the Head and Neck: Selected from the by Drewry Ottley (1848)
"I. AMONG the various signs which, may determine a surgeon to employ the trepan, none is considered more clearly to indicate it than fracture or depression ..."

4. Medical Lexicon: A Dictionary of Medical Science : Containing a Concise by Robley Dunglison (1868)
"The term trepan is given more particularly to the part of the instrument that makes the perforation. The handle is so constructed ae to receive different ..."

5. Appletons' Cyclopædia of Applied Mechanics: A Dictionary of Mechanical by Park Benjamin, D. Appleton and Company (1880)
"Tlie small trepan is formed of two distinct portions—the blade and its stem. The first is made of a solid block of forged iron, into the lower portion of ..."

6. Report of the Annual Meeting (1841)
"On Dislocation of Ike Ankle-joint foncard and backward; and on the Reproduction of Hone after the Operation of trepan. By JAMES DOUGLAS, Lecturer on Anatomy ..."

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