cachinnation

Then, upon a given signal, they threw their arms around the orphan and hugged him, while a violent cachinnation was heard.

It was quite tame and fearless, and used to make a loud chattering cachinnation.

The stoker laughed truculently, and Billy ventured upon a faint echo of the jeering cachinnation.

She is possessed with a laughing demon, and has been in a constant state of cachinnation the whole trip.

And Miss Jerusha indulged in a regular cachinnation for the first time that Richmond ever remembered to hear her.