一網打尽[ichimoudajin] (a) big haul
魚網[gyomou] fishing net
金網[kanaami] wire netting
交通網[koutsuumou] traffic network
公衆網[koushuumou] public network

叉手網[sadeami] dip net
刺し網[sashiami] gill net
支店網[shitenmou] branch store network
神経回路網[shinkeikairomou] biological neural network
粗い網[araiami] coarse net

罠に掛かる[wananikakaru] to be caught in a trap (snare, etc.)

罠網[wanami] snare