Meaning of 天網 in Japanese

Definition of 天網

てんもう(tenmou) 【天網】

てんもうかいかいそにしてもらさず(tenmoukaikaisonishitemorasazu) 【天網恢恢疎にして漏らさず】

(exp) Heaven's net has large meshes, but nothing escapes
天網恢恢疎にして漏らさずの言葉とおり、天罰てき面だ。
They say fate will catch up with you. That was God's way of punishing him.

てんもうかいかい(tenmoukaikai) 【天網恢々 ·天網恢恢】

(exp) heaven's vengeance is slow but sure; heaven's net is wide and coarse, yet nothing slips through