noun
red-hot iron
Literal meaning: iron heated until it glows red. Often used in historical or metaphorical contexts.
鍛冶屋が鉄火を槌で打つ。
The blacksmith strikes the red-hot iron with a hammer.
noun
swords and guns; gunfire
Metonym for weapons and the heat of battle; often used in historical or dramatic descriptions of warfare.
戦場は鉄火の雨が降り注いだ。
A rain of gunfire poured down on the battlefield.
noun, noun which may take the genitive case particle 'no', na-adjective
violent temper; termagancy
Describes a fierce, hot-tempered personality, especially in the compound 鉄火肌 (てっかはだ).
See also: 鉄火肌
彼女は鉄火肌で、すぐに怒る。
She has a fiery temper and gets angry quickly.
noun
Abbreviation of 鉄火打ち (てっかうち), an old term for a gambler. Rare standalone use.
See also: 鉄火打ち
「鉄火」は昔、博打打ちを指す隠語だった。
In the past, 'tekka' was a slang term for a gambler.
noun
lean tuna; red tuna meat
Refers to the dark red flesh of lean tuna, commonly used in sushi (鉄火巻き, 鉄火丼).
鉄火巻きは、マグロの赤身を使った巻き寿司です。
Tekka-maki is a rolled sushi made with lean tuna.
Compound of 鉄 (iron) and 火 (fire). The literal meaning 'red-hot iron' gave rise to various figurative uses related to heat, intensity, and the color red.