clanspeak

noun1

1. •
   (rare) The language or dialect of a certain clan.

   • National Geographic: The hidden world of whale culture https://www.nationalgeographic.com/magazine/article/the-hidden-world-of-whale-culture-feature CLANSPEAK Members of a sperm whale family near the Caribbean island of Dominica are part of a clan that's culturally distinct from others. Each clan communicates in its own dialect of click patterns, like Morse code.