flag

noun (1)

\ ˈflag also ˈflāg

Definition of flag

(Entry 1 of 6)

: any of various monocotyledonous plants with long ensiform leaves: such as

a : iris especially : a wild iris

b : sweet flag

flag

noun (2), often attributive

Definition of flag (Entry 2 of 6)

1 : a usually rectangular piece of fabric of distinctive design that is used as a symbol (as of a nation), as a signaling device, or as a decoration

2a : the tail of some dogs (such as a setter or hound) also : the long hair fringing a dog's tail

b : the tail of a deer

3a : something used like a flag to signal or attract attention

b : one of the cross strokes of a musical note less than a quarter note in value

4 : something represented by a flag: such as

a : flagship

b : an admiral functioning in his office of command

c : nationality especially : the nationality of registration of a ship or aircraft

flag

verb (1)

flagged; flagging

Definition of flag (Entry 3 of 6)

1 : to signal with or as if with a flag especially : to signal to stop flagged the train —often used with down

2 : to mark or identify with or as if with a flag flagged potential problems in the proposal

3 : to call a penalty on : penalize a lineman flagged for being offside