#Terressens | Samouraïs & Katanas | Nomenclature of a katana (Practical info)

Nomenclature of a katana | Practical info #Terressens

Samurai & Katanas

Katana nomenclature

Practical info #Terressens

Here are the main terms used to describe katanas. We've selected the most important ones for you, illustrating and listing the words that correspond to the elements that make up Japanese swords, those that characterize the blades and those that refer more specifically to elements of the handle and the extension of the blade.
A search engine makes it easy to understand and learn.

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Components of a katana

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  • Fuchi (縁): metal part protecting the handle on the guard side
  • Habaki (ハバキ): brass part extending from the blade and penetrating the scabbard
  • Kashira (頭): sword pommel or buttcap
  • Koiguchi (鯉口): scabbard entry (opening)
  • Kojiri (小尻 / 鐺): scabbard end protection
  • Kurigata (栗形): ring attached to the scabbard
  • Mekugi (目釘): pins for holding handle to blade (usually x 2)
  • Menuki (目貫): decorative metal elements integrated into the handle
  • Sageo (下緒): fabric cord for holding the scabbard in the belt
  • Same (鮫肌): stingray skin strip under the handle braid (x 2)
  • Saya (鞘): scabbard
  • Seppa (切羽): guard-framing spacer (x 2)
  • Shito-Dome (鵐目): metal part attached to the retaining ring (x 2)
  • Tsuba (鍔): guard
  • Tsuka (柄): handle
  • Tsuka-ito (柄糸): handle braiding

Blade parts

Nomenclature of a katana | Practical info #Terressens
  • Ha (刃): edge of the blade
  • Hamon (刃文): tempering line
  • Hi (樋) / Bo-Hi (棒樋): grooves in the blade
  • Kissaki (切先 / 鋒): point of blade
  • Mono-Uchi (ものうち): main cutting portion of blade (≈ 9 cm)
  • Mune (棟): back of the blade
  • Nagasa (長さ): length of the blade, measured between the notch of the Habaki and the tip of the blade.
  • Sori (反り): curvature (height of the hollow in the back of the blade in relation to the straight line between the notch in the Habaki and the tip)
  • Yokote (横手): line between blade and tip

Tsuka and silk

Nomenclature of a katana: handle (Tsuka 柄) and tang (Nakago 中心, 茎) of the blade #Terressens
  • Habaki (ハバキ): brass part extending from the blade and penetrating the scabbard
  • Hamachi (刃区, 刃関): notch between the sharpened area and the tang of the blade
  • Mei (銘): swordsmith's signature (Mumei (無銘): no signature)
  • Machi (区): indentations between the bristle and the visible blade (in two parts, on the back side and on the cutting edge side).
  • Mekugi (目釘): pins for holding handle to blade (usually x 2)
  • Mekugiana (目釘穴): holes for the pins (Mekugi), fixing the handle (Tsuka) to the blade.
  • Munemachi (棟区, 棟関): indentation between the back (Mune (棟)) and the tang of the blade
  • Nakago (中心, 茎): blade tang (extension of the blade inside the handle: through tang)
  • Seppa (切羽): guard-framing spacer (x 2)
  • Tsuka (柄): handle

Search engine

Rōmaji Kanji Description
FuchiMetal part protecting the handle on the guard side
HaBlade edge
HabakiハバキBrass part extending the blade and penetrating the scabbard
Hamachi刃区, 刃関Notch between sharpened area and blade tang
Hamon刃文Quenching line
Hi / Bo-Hi樋 / 棒樋Blade throat
KashiraSword pommel or buttcap
Kissaki切先 / 鋒Point of blade
Koiguchi鯉口Sleeve inlet (opening)
Kojiri小尻 / 鐺Scabbard end protection
Kurigata栗形Ring fixed on the sheath
MachiNotches between bristle and visible blade (in two parts, on the back side and on the cutting edge side)
MeiThe blacksmith's signature on the silk
Mekugi目釘Pins to hold handle to blade (generally x 2)
Mekugiana目釘穴Holes for pins (Mekugi) securing handle (Tsuka) to blade
Menuki目貫Metal decorative elements integrated into the handle
Mono-UchiものうちCutting area (≈ 9 cm)
Mumei無銘No blacksmith's signature
MuneBack of blade
Munemachi棟区, 棟関Notch between back (Mune (棟)) and blade tang
Nagasa長さBlade length, measured from Habaki notch to blade tip
Nakago中心, 茎Blade bristle (extension of the blade inside the handle: through-bristle)
Sageo下緒Fabric cord to hold scabbard in place on belt
Same鮫肌Stingray skin slat under handle weave (x 2)
SayaSleeve
Seppa切羽Guard spacer (x 2)
Shito-Dome鵐目Metal part attached to retaining ring (x 2)
Sori反りCurvature (height of the hollow in the back of the blade in relation to the straight line between the Habaki notch and the tip)
TsubaGuard
TsukaHandle
Tsuka-ito柄糸Braided handle
Yokote横手Line between blade and tip
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