Trigram

Origin

- + gram + -; literally, three marks

Full definition of trigram

Noun

1. In Chinese Taoism, a symbol composed of three marks each of two types (creating 8 possible symbols) which are used for philosophical discussion and divination (fortunetelling).
2. A trigraph.
3. (linguistics) a special case of the n-gram where n is 3, used in natural language processing for doing statistical analysis of texts