also: きゅうじょあみ
noun
safety net; cowcatcher
Refers to a physical net or grid-like device for catching people or objects, such as a safety net under a bridge or a cowcatcher on a train. Not used for figurative 'safety net' (social security).
橋の下には救助網が張られている。
A safety net is stretched under the bridge.
路面電車の前面に救助
A cowcatcher is attached to the front of the streetcar.
安全網 can be used for both physical safety nets and figurative social safety nets, while 救助網 is limited to physical rescue devices.
Compound of 救助 (rescue) and 網 (net). The reading もう for 網 is the on'yomi, while あみ is the kun'yomi; きゅうじょもう is the more common reading for this compound.