from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The science that deals with signs or sign language.
- n. The use of signs in signaling, as with a semaphore.
- n. Symptomatology.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Semiotics, the study of signs.
from The Century Dictionary and Cyclopedia
- n. The logical theory of signs, of the conditions of their fulfilling their functions, of their chief kinds, etc.
- n. The use of gestures to express thought.
- n. The sum of scientific knowledge concerning morbid symptoms and their pathological significance; symptomatology; semiotics.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. (philosophy) a philosophical theory of the functions of signs and symbols
Greek sēmeion, sign; see semiotic + -logy.(American Heritage® Dictionary of the English Language, Fourth Edition)
New Latin semaeologia, from Ancient Greek σημεῖον ("sign") + -logia ("-logy") (Wiktionary)