What is "lexigraphy"

Lexigraphy \Lex*ig"ra*phy\ (l[e^]ks*[i^]g"r[.a]*f[y^]), n. [Gr. le`xis word + -graphy: cf. F. lexigraphie.] The art or practice of defining words; definition of words.

n. 1 (context uncountable English) The representation of words in writing. 2 (context countable English) A system of writing in which there is a one-to-one correspondence between symbols and words.