lexicology Meaning, Definition & Usage

  1. noun the branch of linguistics that studies the lexical component of language

WordNet

Lex`i*col"o*gy noun
Etymology
Gr. lexicon + -logy: cf. F. lexicologie.
Definitions
  1. The science of the derivation and signification of words; that branch of learning which treats of the signification and application of words.

Webster 1913