Define

Webster's Dictionary of the English Language

·vi To Determine; to Decide.

II. Define ·vt To fix the bounds of; to bring to a termination; to End.

III. Define ·vt To determine or clearly exhibit the boundaries of; to mark the limits of; as, to define the extent of a kingdom or country.

IV. Define ·vt To determine with precision; to mark out with distinctness; to ascertain or exhibit clearly; as, the defining power of an optical instrument.

V. Define ·vt To determine the precise signification of; to fix the meaning of; to describe accurately; to Explain; to expound or interpret; as, to define a word, a phrase, or a scientific term.