ひし形(がた)

ひしがた
noun
diamond shape; rhombus
1. diamond shape; rhombus; lozenge
A four-sided geometric shape with equal sides but non-right angles, resembling the shape of a water chestnut (菱(ひし)). Used in mathematics, design, and everyday descriptions.
ひし形(がた)の模様(もよう)がきれいだ。
The diamond pattern is beautiful.
算数(さんすう)でひし形(がた)の面積(めんせき)を求(もと)めた。
In math, we calculated the area of a rhombus.
この着物(きもの)にはひし形(がた)の柄(がら)が全体(ぜんたい)に入(はい)っていて、伝統的(でんとうてき)な雰囲気(ふんいき)がある。
This kimono has a diamond pattern throughout, giving it a traditional feel.

ETYMOLOGY:
The name comes from 菱(ひし) (water chestnut), whose seed has this characteristic shape. 形(がた) means "shape."

MATHEMATICS:
In geometry, ひし形(がた) is a rhombus — a quadrilateral with four equal sides. Area = 対角線(たいかくせん) × 対角線(たいかくせん) ÷ 2.

CULTURAL SIGNIFICANCE:

The diamond pattern (菱(ひし)紋(もん)) is one of the most common traditional Japanese patterns, frequently seen on:

  • 着物(きもの): kimono fabric
  • 家紋(かもん): family crests
  • 甲冑(かっちゅう): samurai armor

COMMON COLLOCATIONS:

  • ひし形(がた)の模様(もよう): diamond pattern
  • ひし形(がた)の面積(めんせき): area of a rhombus
  • ひし形(がた)に並(なら)べる: to arrange in a diamond shape
general
Added 2026.3.15 14:53 · Revised 2026.4.3 14:49
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