noun
shelter; cover; shield; screen; obstruction
A physical object that provides protection or concealment by blocking view, light, or projectiles. Often used in military or tactical contexts, but also for everyday shielding.
兵士たちは遮蔽物の後ろに隠れた。
The soldiers hid behind cover.
この壁は日差
This wall serves as a shield against sunlight.
隠れ場 is a hiding place in general, while 遮蔽物 specifically implies an object that physically blocks or shields.
Compound of 遮蔽 (shielding) + 物 (thing). The exact historical derivation is uncertain, but the word follows a common Sino-Japanese pattern for technical terms.