also: おうま · おすうま
noun
male horse; stallion
Refers specifically to a male horse. In horse racing contexts, often contrasted with 牝馬 (ひんば, female horse).
あの牡馬はとても速い。
That male horse is very fast.
競馬場で牡馬と牝馬のレースを見た。
I watched a race between male and female horses at the racetrack.
Alternate kanji spelling using 雄 (male). Less common than 牡馬.
Kana spelling for the reading おうま. Used when the kanji is avoided or for clarity.
Kana spelling for the reading おすうま. Rarely used; 牡馬 or おうま are preferred.
Compound of 牡 (male animal) and 馬 (horse). The reading ぼば is the on'yomi of the characters, while おうま and おすうま are kun'yomi-based readings.