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 (sĕn′sā′, sĕn-sā′)
n. pl. sen·seis
1. A teacher or mentor, especially of a martial art.
2. Used as a form of address for such a person.

[Japanese, teacher, master, from Middle Chinese sianʂa⋮jŋ, elder, prior-born (term of respect) (also the source of Mandarin xiānsheng) : sian, first + ʂa⋮jŋ, to give birth, be born (ultimately from Proto-Sino-Tibetan *sriŋ, live, life; also the source of Burmese hrang, live, alive).]


n, pl sensei
(Judo & Karate) a Japanese title for a teacher, master, or professional; (in English) used esp for a martial arts teacher
[Japanese: teacher, leader]
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References in periodicals archive ?
Aikido was refined from ancient internal martial arts in the 1900's by the late Morihei Ueshiba, known today as O-Sensei.
Director of Shobu Aikido in Boston and a sixth dan instructor, Gleason follows his The Spiritual Foundations of Aikido with further philosophical clarification and greater detail concerning the practical application of teachings by Morihei Ueshiba O-sensei, the founder of Aikido, who died in 1969.
He was one of only a handful of British students to receive the menjo award from the founder of Aikido Ueshiba O-Sensei.