also: べにいろきゅうけいけいしょうぶつ
red globular shape; red ball signal shape
Rare technical term, primarily used in marine safety contexts to refer to a red ball-shaped signal.
A red ball signal shape was displayed for the safety of the vessel.
Technical compound; the reading こうしょくきゅうけいけいしょうぶつ is the primary reading.
Alternate reading using べにいろ for 紅色; less common in this compound.
Compound of 紅色 (red color), 球形 (spherical shape), 形象 (figure/form), and 物 (thing). The exact derivation is uncertain; it appears to be a technical term formed from descriptive elements.