trigons

Updated: July 8, 2026

I would also mention quadrangular ostracions, having on the back four large tubercles; some dotted over with white spots on the lower part of the body, and which may be tamed like birds; trigons provided with spikes formed by the lengthening of their bony shell, and which, from their strange gruntings, are called "seapigs"; also dromedaries with large humps in the shape of a cone, whose flesh is very tough and leathery.

Jules Verne - Twenty Thousand Leagues under the Sea

Here he was interrupted by the conjurer, who exhorted him to sit down and compose himself till he should cast a figure; then he scrawled the paper, and waving his wand, repeated abundance of gibberish concerning the number, the names, the houses, and revolutions of the planets, with their conjunctions, oppositions, signs, circles; cycles, trines, and trigons.

T. (Tobias) Smollett - The Adventures of Sir Launcelot Greaves