What is "cachinnations"

Usage examples of "cachinnations".

And at black midnight, from the lonely cross-roads where he turned from town into his own place, came his plaguey cachinnations to rouse me from my sleep and make me writhe and clench my nails into my palms.

I began to laugh, Larry joined me, and then Kra and Gulk joined in our merriment with deep batrachian cachinnations and gruntings.

And also simultaneous the outbreak of the class into cachinnations of delight, severely repressed by the perplexed but indignant Miss Spence.

It is the distinctive privilege of man to exert his voice during his repast, and to indulge also in those specially human cachinnations which no lower creature, except that disreputable Australian biped known as the 'laughing jackass,' presumes to imitate.