Meaning of 穿つ in Japanese

Definition of 穿つ

うがつ(ugatsu) 【穿つ】

(v5t, vt) to drill; to bore; to pierce; to put on; to wear; to be true to (nature); to hit (the mark)

こうをうがつ(kouwougatsu) 【孔を穿つ】

びにいりさいをうがつ(biniirisaiwougatsu) 【微に入り細を穿つ ·微に入り細をうがつ】

あまだれいしをうがつ(amadareishiwougatsu) 【雨垂れ石を穿つ】

(exp) slow but steady wins the race; constant effort will result in success; constant dripping wears away a stone