cachinnation

Definition from Wiktionary, a free dictionary

Contents 1 English 1.1 Etymology 1.2 Noun 1.2.1 Related terms

[edit] English

[edit] Etymology

From cachinnate +‎ -ion

[edit] Noun

cachinnation (plural cachinnations)

1. Convulsive, loud laughter.
   • 1928, H. P. Lovecraft, The Dunwich Horror,

     After midnight their shrill notes burst into a kind of pandemoniac cachinnation which filled all the countryside, and not until dawn did they finally quiet down.

[edit] Related terms

• cachinnator