Flag

1. To enervate; to exhaust the vigor or elasticity of.
2. To lay with flags of flat stones.
3. A group of elongated wing feathers in certain hawks.
4. A cloth usually bearing a device or devices and used to indicate nationality, party, etc., or to give or ask information; -- commonly attached to a staff to be waved by the wind; a standard; a banner; an ensign; the colors; as, the national flag; a military or a naval flag.
5. To convey, as a message, by means of flag signals; as, to flag an order to troops or vessels at a distance.
6. An aquatic plant, with long, ensiform leaves, belonging to either of the genera Iris and Acorus.
7. To let droop; to suffer to fall, or let fall, into feebleness; as, to flag the wings.
8. The bushy tail of a dog, as of a setter.
9. A flat stone used for paving.
10. To signal to with a flag; as, to flag a train.
11. To furnish or deck out with flags.
12. That which flags or hangs down loosely.
13. A group of feathers on the lower part of the legs of certain hawks, owls, etc.
14. Any hard, evenly stratified sandstone, which splits into layers suitable for flagstones.
15. To droop; to grow spiritless; to lose vigor; to languish; as, the spirits flag; the streugth flags.
16. To hang loose without stiffness; to bend down, as flexible bodies; to be loose, yielding, limp.