帐幕 (zhàng mù) is a compound noun formed from 帐 (zhàng), meaning 'tent' or 'canopy', and 幕 (mù), meaning 'curtain' or 'screen'. Together, they refer to a portable shelter made of fabric—most commonly a tent—and also extend metaphorically to stage curtains or ceremonial canopies. While 帐 alone often implies a military or outdoor tent, and 幕 alone suggests theatrical or decorative drapery, the combination 帐幕 emphasizes the physical structure and its function as a temporary enclosure or boundary.

This word appears in both literal and literary contexts: describing actual tents used by nomads or campers, formal canopies at ceremonies, or poetic references to stage curtains symbolizing the beginning or end of an event. It carries a slightly formal or classical tone compared to simpler terms like 帐篷 (zhàngpéng) and is rarely used in casual speech about everyday camping.