Read the excerpt below and answer the question.
i broke and reached him a flagon of de grave. he emptied 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?
utterance
signal
oath
phrase

Personally i think it is a

Mzmzkzkzkzkzkzkzkzkz

This is a complete adjective clause. 

The man thinks she's the lady he's trying to find. she then lifts the veil and he announces that he'd made a mistake and that he'd thought she was the woman, but had been wrong. truthfully, though, he'd been right. this reveals that the he didnt recognize her (though he said he would recognize her voice or her build) and that he's still looking for the girl. he doesnt find the woman appealing or attractive, and is more or less disgusted by her appearance. he didn't understand what the lady meant when she told him the story about her "friend"