from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A group of four letters.
from The Century Dictionary and Cyclopedia
- n. In geometry: A system of four straights with their six fans.
- n. A word of four letters.
- n. In geometry, a figure formed by four right lines.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a word that is written with four letters in an alphabetic writing system
Ancient Greek (Wiktionary)