staff

Partially raised or lowered. The phrase most often describes a flag that has been lowered to honor a recently-deceased person. After our former president died, flags were at half-mast all across the country. My daughter came home from the park covered in dirt, her ponytail at half-mast.

[of a flag] halfway up or down its flagpole. The flag was flying at half-mast because the general had died. Americans fly flags at half-staff on Memorial Day.

Prov. Food is necessary for people to survive. Miranda likes to give money to charities that feed people. "Other services are important," she reasons, "but bread is the staff of life." Jill: Want to go to lunch with us, Bob? Bob: No. I must work on my novel while inspiration lasts. Jill: Don't forget to eat. Bread is the staff of life, you know.

a food such as bread that is eaten in large amounts by a lot of people Bread is the staff of life, which is why we only use the finest organic flour to make ours.

Halfway up or down, as in The church bells tolled off and on all day and the flags were at half-mast. This term refers to placing a flag halfway up a ship's mast or flagpole, a practice used as a mark of respect for a person who has died or, at sea, as a distress signal. Occasionally the term is transferred to other objects, as in Tom's pants were at half-mast as he raced around the playground, or The puppy's tail was at half-mast. [First half of 1600s]

A staple or necessary food, especially bread. For example, Rice is the staff of life for a majority of the earth's people. This expression, which uses staff in the sense of "a support," was first recorded in 1638.