flag down
Use a flag or similar kind of signal to get someone's attention.
Near-synonyms: hail, signal
noun
A piece of cloth, often decorated with an emblem, used as a visual signal or symbol.
The vote in the Bundestag (parliament) on Thursday makes defiling foreign flags equal to the crime of defiling the German flag. […] The new law also applies to acts of defilement besides burning, such as publicly ripping a flag up.
The design that could be placed on a flag, typically a rectangular graphic that is used to represent an entity (like a country, organisation or group of people) or an idea.
The flag of France has three vertical stripes.
A flag flown by a ship to show the presence on board of the admiral; the admiral himself, or his flagship.
A signal flag.
The use of a flag, especially to indicate the start of a race or other event.
verb
To furnish or deck out with flags.
To mark with a flag, especially to indicate the importance of something.
Walcott was, briefly, awarded a penalty when he was upended in the box but referee Phil Dowd reversed his decision because Bendtner had been flagged offside.
To signal to, especially to stop a passing vehicle etc.
Please flag down a taxi for me.
The electric locomotive is accompanied by a shunter who, in addition to his normal duties, flags the trains over the unprotected level crossings and opens the gates through which the line passes.
To convey (a message) by means of flag signals.
to flag an order to troops or vessels at a distance
To note, mark or point out for attention.
I've flagged up the need for further investigation into this.
Users of the Internet forum can flag others' posts as inappropriate.
verb
To weaken, become feeble.
His strength flagged toward the end of the race.
He now sees a spirit has been raised against him, and he only watches till it begin to flag.
To hang loose without stiffness; to bend down, as flexible bodies; to be loose, yielding, limp.
as loose it [the sail] flagged around the mast
To let droop; to suffer to fall, or let fall, into feebleness.
The Thousand Loves , that arm thy potent Eye , Must drop their Quivers , flag their Wings
To enervate; to exhaust the vigour or elasticity of.
there is nothing that flags the Spirits, disorders the Blood, and enfeebles the whole Body of Man, as intense Studies.