noun
loss mark; mark indicating a defeat
Used in sumo and other competitive contexts to denote a loss on a record, often paired with 勝ち星 (win).
今場所は負け星が先行している。
This tournament, losses are piling up first.
勝ち星と負け星が同じ数になった。
The number of wins and losses became equal.
Literally 'black star', a common synonym for a loss in sumo, often used interchangeably with 負け星.
Compound of 負け (make, 'defeat') + 星 (hoshi, 'star'), referring to the star-shaped marks used in sumo ranking sheets to denote losses.