bob

1 verb

1 MOVE IN WATER (I) to move up and down when floating on the surface of water: bob up and down: The boat was bobbing up and down on the waves.

2 MOVE SOMEWHERE (intransitive always + adv/prep) to move quickly in a particular direction

(+ up/down/out etc): She bobbed down behind the wall to avoid being seen.

3 bob your head to move your head down quickly as a way of showing respect, greeting someone or agreeing with them: Seymour bobbed his head respectfully and said, "Good evening, Sir."

4 bob (sb) a curtsy to make a quick, small curtsy to someone

5 HAIR (T) to cut someone's hair so that it is the same length all the way round their head: I'm going to get my hair bobbed.

6 bob for apples to play a game in which you try to pick up apples floating in water, using only your mouth

2 noun (C)

1 a way of cutting hair so that it is the same length all the way round your head

2 a quick up and down movement of your head, or body, to show respect, agreement, greeting etc: The maid gave a little bob and left the room.

3 (plural) informal a shilling (=coin used in the past in Britain): In those days the train fare was three bob.

-see also: bits and bobs bit 1 (13)