Semasiology
Pronunciation : Se*ma`si*ol"o*gy
Part of Speech : n.
Definition : Defn: The science of meanings or sense development (of words); the explanation of the development and changes of the meanings of words. --Se*ma`si*o*log"ic*al (#), a.
[Gr. signification + -logy.] (Philol.)
Source : Webster's Unabridged Dictionary, 1913