Usage examples (6)

• Later, it turned out, that he was suffering from a rare form of epileptic episode called gelastic seizure, reports the New York Daily News.
• Man had been defined as a gelastic apteryx, but in view of the attitude of women towards the Plumage Bill the definition could hardly be allowed to fit the requirements...
• Bill, what they actually are, are something known at gelastic seizures.
• Evan was born with a rare condition known as Hypothalmic Hamartoma, a benign brain tumour that causes gelastic (laughing) seizures.