Definition

Noun: A large, padded, and insulated bag designed for a person to sleep in, especially outdoors. It is typically portable and can be rolled up for easy carrying and storage.

Usage

A "sleeping bag" is used to provide warmth and comfort while sleeping in environments like tents, under the stars, or in other outdoor shelters. It is a standard piece of equipment for camping, hiking, and mountaineering.

Examples

• Noun:
  • We packed our sleeping bags for the weekend camping trip.
  • The hiker zipped up his sleeping bag to stay warm in the cold mountain air.
  • A good sleeping bag is essential for winter camping.

Advanced Usage

• "to be in a sleeping bag": to be inside and using a sleeping bag.
  • After a long day of hiking, she was already in her sleeping bag by 8 p.m.
• "to crawl into a sleeping bag": to enter a sleeping bag.
  • He crawled into his sleeping bag to escape the evening chill.

Variants and Related Words

• Bivy bag / Bivouac sack (noun): A lightweight, often waterproof, protective cover for a sleeping bag.
• Sleeping pad / Sleeping mat (noun): An insulated pad placed under a sleeping bag for additional comfort and warmth from the ground.
• Mummy bag (noun): A type of sleeping bag that is tapered at the feet and has a fitted hood to maximize warmth and minimize weight.

Synonyms

• Bedroll (noun): A portable roll of bedding, which may include a sleeping bag or blankets. (Note: "bedroll" is a more general term that can refer to rolled-up bedding, while a "sleeping bag" is a specific, self-contained item.)
• Sack (noun, informal): Can be used informally to refer to a sleeping bag (e.g., "hit the sack").

Related Phrases

• "to hit the sack" (idiom): To go to bed. While "sack" here colloquially means bed, it is etymologically related to the idea of a sleeping bag or a simple bed.
  • I'm exhausted; I'm going to hit the sack.

Noun

1. large padded bag designed to be slept in outdoors; usually rolls up like a bedroll