noun.
The study of the nature, structure, and variation of language, including phonetics, phonology, morphology, syntax, semantics, sociolinguistics, and pragmatics.
The Century Dictionary and Cyclopedia
noun.
The science of languages, or of the origin and history of words; the general and comparative study of human languages and of their elements. Also called comparative philology.
the GNU version of the Collaborative International Dictionary of English
noun.
The science of languages, or of the origin, signification, and application of words; glossology.