What does "trigrammatic" mean?

Containing three letters or characters, or three sets of letters or characters.

What is a synonym for "trigrammatic"?

Common synonyms include: deltoid, three dimensional, triangular, trident, trifurcate, trilateral.

adj

adj ·Rare ·Advanced level

Adjective

1
Containing three letters or characters, or three sets of letters or characters. not-comparable