adj

• (obsolete) Pure, unalloyed .
  "So oft as I this history record, / My heart doth melt with meere compassion[…]."
• (obsolete) Nothing less than; complete, downright .
  "If every man might have what he would[…]we should have another chaos in an instant, a meer confusion."

verb

• (transitive, obsolete) To limit; bound; divide or cause division in.
• (intransitive, obsolete) To set divisions and bounds.
• (cartography) To decide upon the position of a boundary; to position it on a map.
  "What chance is there of revising this example of case law to include an exception to the generally cited rule when an administrative boundary has been mered in the past to coincide with a private property boundary?"

noun

• (dialectal or literary) A body of standing water, such as a lake or a pond (formerly even a body of seawater), especially a broad, shallow one. (Also included in place names such as Windermere.)
  "When making for the Brooke, the Falkoner doth espie On River, Plash, or Mere, where store of Fowle doth lye:"

noun

• (obsolete) Alternative form of mayor and mair.