What is Negotiate?

Legal Definition
To discuss or arrange a sale or bargain; to arrange the preliminaries of a business transaction. Also to sell or discount negotiable paper or assign or transfer it by endorsement and delivery. Palmer v. Ferry, 6 Gray (Mass.) 420; Newport Nat. Bank v. Board of Education, 114 Ky. 87, 70 S. W. 186; Odell v. Clyde, 23 Misc. Rep. 734, 53 N. Y. Supp. 61; Blakiston v. Dudley, 5 Duer (N. Y.) 377.
-- Black's Law Dictionary
Legal Definition
To transfer by endorsement and delivery. See 42 Md 581, 20 Am. Rep. 95.
-- Ballentine's Law Dictionary