nod
US /nɑːd/
UK /nɑːd/

1.
aceno de cabeça
lower and raise one's head slightly and briefly, especially in greeting, assent, or understanding, or to give a signal
:
•
She gave a quick nod of approval.
Ela deu um rápido aceno de aprovação.
•
He responded with a silent nod.
Ele respondeu com um aceno silencioso.
1.
acenar com a cabeça
lower and raise one's head slightly and briefly, especially in greeting, assent, or understanding, or to give a signal
:
•
She nodded in agreement.
Ela acenou com a cabeça em concordância.
•
He nodded to acknowledge her presence.
Ele acenou com a cabeça para reconhecer a presença dela.