Plead (plēd), v. t. [imp. & p. p.Pleaded (colloq.Plead (plĕd) or Pled); p. pr. & vb. n.Pleading.] [OE. pleden, plaiden, OF. plaidier, F. plaider, fr. LL. placitare, fr. placitum. See Plea.] 1. To argue in support of a claim, or in defense against the claim of another; to urge reasons for or against a thing; to attempt to persuade one by argument or supplication; to speak by way of persuasion; as, to plead for the life of a criminal; to plead with a judge or with a father.
O that one might plead for a man with God, as a man pleadeth for his neighbor! Job xvi. 21.
2. (Law) To present an answer, by allegation of fact, to the declaration of a plaintiff; to deny the plaintiff's declaration and demand, or to allege facts which show that he ought not to recover in the suit; in a less strict sense, to make an allegation of fact in a cause; to carry on the allegations of the respective parties in a cause; to carry on a suit or plea. Blackstone.Burrill.Stephen.
3. To contend; to struggle. Chaucer.