Mail \Mail\, n. [F. maille, OF. also maaille, LL. medalia. See {Medal}.] 1. A small piece of money; especially, an English silver half-penny of the time of Henry V. [Obs.] [Written also {maile}, and {maille}.] 2. Rent; tribute. [Obs., except in certain compounds and phrases, as blackmail, mails and duties, etc.] {Mail and duties} (Scots Law), the rents of an estate, in whatever form paid.