cumai

C3U1M3A1I1

noun

A construction method for brazing steel sheets together by sandwiching copper sheets between them and performing an ersatz forge weld, for making Japanese-style blade steel. This method is used to add ornamental copper accents into forge-worked steel, such as a copper wave in a display blade.

Origintranslingual Cu ← Japanese 枚 →
Scrabble 9
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Meanings

nouncumai (countable and uncountable, plural cumai)
  1. uncountableartsA construction method for brazing steel sheets together by sandwiching copper sheets between them and performing an ersatz forge weld, for making Japanese-style blade steel. This method is used to add ornamental copper accents into forge-worked steel, such as a copper wave in a display blade.
  2. countableartsA metal sandwich made by such a construction method

Origin

  1. Japanese枚“まい, mai”
  2. translingualCu
  3. Englishcumai

From translingual Cu (copper) + Japanese 枚 (“まい, mai”) (sheet). Modeled after gomai (“5 sheets”) and sanmai (“3 sheets”).

More words from translingual, Japanese

Full word history & related roots →

Rhymes & wordplay

Anagrams

cauim
Cite this entry
APA

cumai. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/cumai

MLA

“cumai.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cumai. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “cumai,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/cumai.

Source: cumai on Wiktionary, CC BY-SA 4.0.