1. Criticism; grammatical learning.
2. (Science: study) The study of language, especially in a philosophical manner and as a science; the investigation of the laws of human speech, the relation of different tongues to one another, and historical development of languages; linguistic science.
Philology comprehends a knowledge of the etymology, or origin and combination of words; grammar, the construction of sentences, or use of words in language; criticism, the interpretation of authors, the affinities of different languages, and whatever relates to the history or present state of languages. It sometimes includes rhetoric, poetry, history, and antiquities.
3. A treatise on the science of language.
Origin: L. Philologia love of learning, interpretation, philology, Gr., cf. F. Philologie. See Philologer.