Merriam-Webster's Collegiate® Dictionary, 11th Edition
PREJUDICE
I. noun see: judicial
Date: 13th century
injury or damage resulting from some judgment or action of another in disregard of one's rights,
2. a. preconceived judgment or opinion, an adverse opinion or leaning formed without just grounds or before sufficient knowledge, an instance of such judgment or opinion, an irrational attitude of hostility directed against an individual, a group, a race, or their supposed characteristics, see: predilection
II. transitive verb (-diced; -dicing)
Date: 15th century
to injure or damage by some judgment or action (as in a case of law), to cause to have prejudice