あらうま 新馬 LinksSentence search for 新馬Sentence search for あらうまKanji details for 新 and 馬Edit in JMdict Noun1. yearling; one-year-old horseArchaic, See also 当歳馬Noun2. first menstruation; sanitary napkin used during first menstruationArchaic Discussions Log in to talk about this word.