Easton's Bible Dictionary
Rate of (mention only in Matthew 20:2); to be punctually paid (Leviticus 19:13; Deuteronomy 24:14, 15); judgements threatened against the withholding of (Jeremiah 22:13; Malachi 3:5; Comp. James 5:4); paid in money (Matthew 20:1-14); to Jacob in kind (Genesis 29:15, 20; 30:28; 31:7, 8, 41).
Noah Webster's New International Dictionary of the English Language
(n.) A compensation given to a hired person for services; price paid for labor; recompense; hire. See Wage, n., 2.