Meaning of かつやく in Japanese

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Definition of かつやく

かつやく(katsuyaku) 【活躍】

(n) activity (esp. energetic); great efforts; conspicuous service
仕事でご活躍ですね。
I see you're doing very well in your business.
(vs) to flourish; to participate actively; to play an active role
元気で活躍していることと思う。
I hope things have been going well for you.

かつやくきん(katsuyakukin) 【括約筋】

こうもんかつやくきん(koumonkatsuyakukin) 【肛門括約筋】

ぼうこうかつやくきん(boukoukatsuyakukin) 【膀胱括約筋】