Read the excerpt below and answer the question. I broke and reached him a flagon of De Grave. He emptled it at a breath. His eyes flashed with a fierce light
He laughed and threw the bottle upwards with a gesticulation I did not understand.
I looked at him in surprise. He repeated the movement -a grotesque one.
What is the meaning of the word gesticulation in the passage above?
O phrase
signal
utterance
oath