Study of word meanings

• The branch of linguistics that studies the lexical component of language

WordNet Word definitions in WordNet
n. the branch of linguistics that studies the lexical component of language

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Lexicology \Lex`i*col"o*gy\ (l[e^]ks`[i^]*k[o^]l"[-o]*j[y^]), n. The science of the derivation and signification of words; that branch of learning which treats of the signification and application of words.

Wikipedia Word definitions in Wikipedia
Lexicology is the part of linguistics which studies words . This may include their nature and function as symbols , their meaning , the relationship of their meaning to epistemology in general, and the rules of their composition from smaller elements ( ...

Wiktionary Word definitions in Wiktionary
n. 1 (context uncountable linguistics English) The part of linguistics that studies words, their nature and meaning, words' elements, relations between words including semantic relations, words groups and the whole lexicon. 2 (context countable English) ...

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1828, from lexico- + -logy .