|Origin:||Perhaps from Low German|
nod1 W2 past tense and past participle nodded, present participle nodding [intransitive and transitive]
to move your head up and down, especially in order to show agreement or understanding [↪ shake]:
I asked her if she was ready to go, and she nodded.
Mom nodded her head sympathetically.
nod your approval/agreement etc (=show your approval etc by nodding)
Corbett nodded his acceptance.
to move your head down and up again once in order to greet someone or give someone a sign to do something
The judge nodded at the foreman to proceed.
She nodded to us as she walked by.
to know a little about a subject but not a lot:
Students will need to have a nodding acquaintance with Spanish.
4 also be on nodding terms (with somebody) British English
to know someone but not very well
nod offphrasal verb
I missed the movie because I kept nodding off.