Meaning of 琢磨 in Japanese

Definition of 琢磨

たくま(takuma) 【琢磨】

せっさたくま(sessatakuma) 【切磋琢磨】

(n, vs) cultivate one's character by studying hard; diligent application
君の実力なら楽勝だとは思うが、それに驕らず、まずはクラスのみんなと切磋琢磨していって欲しい。
With your ability it should be a doddle, but please don't be prideful of that but first apply yourself dilligently with everyone in your class.

せっさたくましあう(sessatakumashiau) 【切磋琢磨し合う】