noun, noun which may take the genitive case particle 'no'
koma shape; five-sided shape like a shogi piece
Refers to a pentagonal shape resembling a traditional shogi (Japanese chess) piece, often used in design, architecture, or heraldry.
See also: 駒 (こま)
This family crest has a koma shape.
It is a building characterized by koma-shaped windows.
Compound of 駒 (こま, 'shogi piece') and 形 (かた > がた, 'shape'). The term directly describes the pentagonal silhouette of a traditional shogi piece.