From Middle English pleden, plaiden, from Old French plaider (“to plead, offer a plea”), from plait, from Medieval Latin placitum (“a decree, sentence, suit, plea, etc.", in Classical Latin, "an opinion, determination, prescription, order; literally, that which is pleasing, pleasure”), neuter of placitus, past participle of placere (“to please”).
- To present an argument, especially in a legal case.
- The defendant has decided to plead not guilty.
- To beg, beseech, or implore.
- He pleaded with me not to leave the house.
Related terms 
- plead in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
- plead in The Century Dictionary, The Century Co., New York, 1911
- plead at OneLook Dictionary Search