gesture
US /ˈdʒes.tʃɚ/
UK /ˈdʒes.tʃɚ/

1.
a movement of part of the body, especially a hand or the head, to express an idea or meaning
:
•
He made a rude gesture with his hand.
•
She nodded her head in a gesture of agreement.
2.
an action performed to convey a feeling or intention
:
•
Sending flowers was a nice gesture.
•
It was a gesture of goodwill.