Definition of flag

• v. i. - To hang loose without stiffness; to bend down, as flexible bodies; to be loose, yielding, limp.
• v. i. - To droop; to grow spiritless; to lose vigor; to languish; as, the spirits flag; the streugth flags.
• v. t. - To let droop; to suffer to fall, or let fall, into feebleness; as, to flag the wings.
• v. t. - To enervate; to exhaust the vigor or elasticity of.
• n. - That which flags or hangs down loosely.
• n. - 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.
• n. - A group of feathers on the lower part of the legs of certain hawks, owls, etc.
• n. - A group of elongated wing feathers in certain hawks.
• n. - The bushy tail of a dog, as of a setter.
• v. t. - To signal to with a flag; as, to flag a train.
• v. t. - To convey, as a message, by means of flag signals; as, to flag an order to troops or vessels at a distance.
• n. - An aquatic plant, with long, ensiform leaves, belonging to either of the genera Iris and Acorus.
• v. t. - To furnish or deck out with flags.
• n. - A flat stone used for paving.
• n. - Any hard, evenly stratified sandstone, which splits into layers suitable for flagstones.
• v. t. - To lay with flags of flat stones.